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Merge trunk into HA branch.

Browse Source 
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1207490 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2011-11-28 18:21:46 +00:00
commit 73b3de6204
115 changed files with 21711 additions and 439 deletions
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18
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -3,7 +3,12 @@ Hadoop Change Log
Trunk (unreleased changes)
INCOMPATIBLE CHANGES
NEW FEATURES
HADOOP-7777 Implement a base class for DNSToSwitchMapping implementations
that can offer extra topology information. (stevel)
IMPROVEMENTS
HADOOP-7595. Upgrade dependency to Avro 1.5.3. (Alejandro Abdelnur via atm)
@ -118,6 +123,9 @@ Release 0.23.1 - Unreleased
HADOOP-7802. Hadoop scripts unconditionally source
"$bin"/../libexec/hadoop-config.sh. (Bruno Mahé via tomwhite)
HADOOP-7858. Drop some info logging to DEBUG level in IPC,
metrics, and HTTP. (todd via eli)
OPTIMIZATIONS
BUG FIXES
@ -131,6 +139,8 @@ Release 0.23.1 - Unreleased
HADOOP-6614. RunJar should provide more diags when it can't create
a temp file. (Jonathan Hsieh via eli)
HADOOP-7859. TestViewFsHdfs.testgetFileLinkStatus is failing an assert. (eli)
Release 0.23.0 - 2011-11-01
INCOMPATIBLE CHANGES
@ -1096,6 +1106,12 @@ Release 0.22.0 - Unreleased
HADOOP-7786. Remove HDFS-specific config keys defined in FsConfig. (eli)
HADOOP-7358. Improve log levels when exceptions caught in RPC handler
(Todd Lipcon via shv)
HADOOP-7861. changes2html.pl generates links to HADOOP, HDFS, and MAPREDUCE
jiras. (shv)
OPTIMIZATIONS
HADOOP-6884. Add LOG.isDebugEnabled() guard for each LOG.debug(..).

6
hadoop-common-project/hadoop-common/src/main/docs/changes/changes2html.pl
View File

@ -242,7 +242,11 @@
$item =~ s:\s*(\([^)"]+?\))\s*$:<br />$1:; # Separate attribution
$item =~ s:\n{2,}:\n<p/>\n:g; # Keep paragraph breaks
$item =~ s{(?:${jira_url_prefix})?(HADOOP-\d+)} # Link to JIRA
$item =~ s{(?:${jira_url_prefix})?(HADOOP-\d+)} # Link to JIRA Common
{<a href="${jira_url_prefix}$1">$1</a>}g;
$item =~ s{(?:${jira_url_prefix})?(HDFS-\d+)} # Link to JIRA Hdfs
{<a href="${jira_url_prefix}$1">$1</a>}g;
$item =~ s{(?:${jira_url_prefix})?(MAPREDUCE-\d+)} # Link to JIRA MR
{<a href="${jira_url_prefix}$1">$1</a>}g;
print " <li>$item</li>\n";
}

12
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileContext.java
View File

@ -1099,18 +1099,10 @@ public FileStatus next(final AbstractFileSystem fs, final Path p)
*/
private Path qualifySymlinkTarget(final AbstractFileSystem pathFS,
Path pathWithLink, Path target) {
/* NB: makeQualified uses the target's scheme and authority, if
* specified, and the scheme and authority of pathFS, if not. If
* the path does have a scheme and authority we assert they match
* those of pathFS since resolve updates the file system of a path
* that contains links each time a link is encountered.
*/
// NB: makeQualified uses the target's scheme and authority, if
// specified, and the scheme and authority of pathFS, if not.
final String scheme = target.toUri().getScheme();
final String auth = target.toUri().getAuthority();
if (scheme != null && auth != null) {
assert scheme.equals(pathFS.getUri().getScheme());
assert auth.equals(pathFS.getUri().getAuthority());
}
return (scheme == null && auth == null)
? target.makeQualified(pathFS.getUri(), pathWithLink.getParent())
: target;

4
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java
View File

@ -644,12 +644,12 @@ public void start() throws IOException {
while (true) {
try {
port = webServer.getConnectors()[0].getLocalPort();
LOG.info("Port returned by webServer.getConnectors()[0]." +
LOG.debug("Port returned by webServer.getConnectors()[0]." +
"getLocalPort() before open() is "+ port +
". Opening the listener on " + oriPort);
listener.open();
port = listener.getLocalPort();
LOG.info("listener.getLocalPort() returned " + listener.getLocalPort() +
LOG.debug("listener.getLocalPort() returned " + listener.getLocalPort() +
" webServer.getConnectors()[0].getLocalPort() returned " +
webServer.getConnectors()[0].getLocalPort());
//Workaround to handle the problem reported in HADOOP-4744

15
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
View File

@ -1498,7 +1498,7 @@ public Handler(int instanceNumber) {
@Override
public void run() {
LOG.info(getName() + ": starting");
LOG.debug(getName() + ": starting");
SERVER.set(Server.this);
ByteArrayOutputStream buf =
new ByteArrayOutputStream(INITIAL_RESP_BUF_SIZE);
@ -1536,7 +1536,16 @@ public Writable run() throws Exception {
);
}
} catch (Throwable e) {
LOG.info(getName() + ", call: " + call + ", error: ", e);
String logMsg = getName() + ", call " + call + ": error: " + e;
if (e instanceof RuntimeException || e instanceof Error) {
// These exception types indicate something is probably wrong
// on the server side, as opposed to just a normal exceptional
// result.
LOG.warn(logMsg, e);
} else {
LOG.info(logMsg, e);
}
errorClass = e.getClass().getName();
error = StringUtils.stringifyException(e);
// Remove redundant error class name from the beginning of the stack trace
@ -1571,7 +1580,7 @@ public Writable run() throws Exception {
LOG.info(getName() + " caught an exception", e);
}
}
LOG.info(getName() + ": exiting");
LOG.debug(getName() + ": exiting");
}
}

2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/WritableRpcEngine.java
View File

@ -389,7 +389,7 @@ private void registerProtocolAndImpl(Class<?> protocolClass,
}
protocolImplMap.put(new ProtoNameVer(protocolName, version),
new ProtoClassProtoImpl(protocolClass, protocolImpl));
LOG.info("Protocol Name = " + protocolName + " version=" + version +
LOG.debug("Protocol Name = " + protocolName + " version=" + version +
" ProtocolImpl=" + protocolImpl.getClass().getName() +
" protocolClass=" + protocolClass.getName());
}

10
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/impl/MetricsSystemImpl.java
View File

@ -241,7 +241,7 @@ void registerSource(String name, String desc, MetricsSource source) {
injectedTags, period, config.subset(SOURCE_KEY));
sources.put(name, sa);
sa.start();
LOG.info("Registered source "+ name);
LOG.debug("Registered source "+ name);
}
@Override public synchronized <T extends MetricsSink>
@ -405,8 +405,8 @@ private synchronized void stopTimer() {
private synchronized void stopSources() {
for (Entry<String, MetricsSourceAdapter> entry : sources.entrySet()) {
MetricsSourceAdapter sa = entry.getValue();
LOG.info("Stopping metrics source "+ entry.getKey());
LOG.debug(sa.source().getClass());
LOG.debug("Stopping metrics source "+ entry.getKey() +
": class=" + sa.source().getClass());
sa.stop();
}
sysSource.stop();
@ -416,8 +416,8 @@ private synchronized void stopSources() {
private synchronized void stopSinks() {
for (Entry<String, MetricsSinkAdapter> entry : sinks.entrySet()) {
MetricsSinkAdapter sa = entry.getValue();
LOG.info("Stopping metrics sink "+ entry.getKey());
LOG.debug(sa.sink().getClass());
LOG.debug("Stopping metrics sink "+ entry.getKey() +
": class=" + sa.sink().getClass());
sa.stop();
}
sinks.clear();

107
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/AbstractDNSToSwitchMapping.java Normal file
View File

@ -0,0 +1,107 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.net;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.conf.Configuration;
/**
* This is a base class for DNS to Switch mappings. <p/> It is not mandatory to
* derive {@link DNSToSwitchMapping} implementations from it, but it is strongly
* recommended, as it makes it easy for the Hadoop developers to add new methods
* to this base class that are automatically picked up by all implementations.
* <p/>
*
* This class does not extend the <code>Configured</code>
* base class, and should not be changed to do so, as it causes problems
* for subclasses. The constructor of the <code>Configured</code> calls
* the {@link #setConf(Configuration)} method, which will call into the
* subclasses before they have been fully constructed.
*
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public abstract class AbstractDNSToSwitchMapping
implements DNSToSwitchMapping, Configurable {
private Configuration conf;
/**
* Create an unconfigured instance
*/
protected AbstractDNSToSwitchMapping() {
}
/**
* Create an instance, caching the configuration file.
* This constructor does not call {@link #setConf(Configuration)}; if
* a subclass extracts information in that method, it must call it explicitly.
* @param conf the configuration
*/
protected AbstractDNSToSwitchMapping(Configuration conf) {
this.conf = conf;
}
@Override
public Configuration getConf() {
return conf;
}
@Override
public void setConf(Configuration conf) {
this.conf = conf;
}
/**
* Predicate that indicates that the switch mapping is known to be
* single-switch. The base class returns false: it assumes all mappings are
* multi-rack. Subclasses may override this with methods that are more aware
* of their topologies.
*
* <p/>
*
* This method is used when parts of Hadoop need know whether to apply
* single rack vs multi-rack policies, such as during block placement.
* Such algorithms behave differently if they are on multi-switch systems.
* </p>
*
* @return true if the mapping thinks that it is on a single switch
*/
public boolean isSingleSwitch() {
return false;
}
/**
* Query for a {@link DNSToSwitchMapping} instance being on a single
* switch.
* <p/>
* This predicate simply assumes that all mappings not derived from
* this class are multi-switch.
* @param mapping the mapping to query
* @return true if the base class says it is single switch, or the mapping
* is not derived from this class.
*/
public static boolean isMappingSingleSwitch(DNSToSwitchMapping mapping) {
return mapping instanceof AbstractDNSToSwitchMapping
&& ((AbstractDNSToSwitchMapping) mapping).isSingleSwitch();
}
}

18
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/CachedDNSToSwitchMapping.java
View File

@ -34,9 +34,13 @@
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public class CachedDNSToSwitchMapping implements DNSToSwitchMapping {
public class CachedDNSToSwitchMapping extends AbstractDNSToSwitchMapping {
private Map<String, String> cache = new ConcurrentHashMap<String, String>();
protected DNSToSwitchMapping rawMapping;
/**
* The uncached mapping
*/
protected final DNSToSwitchMapping rawMapping;
/**
* cache a raw DNS mapping
@ -118,4 +122,14 @@ public List<String> resolve(List<String> names) {
return getCachedHosts(names);
}
/**
* Delegate the switch topology query to the raw mapping, via
* {@link AbstractDNSToSwitchMapping#isMappingSingleSwitch(DNSToSwitchMapping)}
* @return true iff the raw mapper is considered single-switch.
*/
@Override
public boolean isSingleSwitch() {
return isMappingSingleSwitch(rawMapping);
}
}

6
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/DNSToSwitchMapping.java
View File

@ -40,6 +40,12 @@ public interface DNSToSwitchMapping {
* Note the hostname/ip-address is not part of the returned path.
* The network topology of the cluster would determine the number of
* components in the network path.
* <p/>
*
* If a name cannot be resolved to a rack, the implementation
* should return {@link NetworkTopology#DEFAULT_RACK}. This
* is what the bundled implementations do, though it is not a formal requirement
*
* @param names the list of hosts to resolve (can be empty)
* @return list of resolved network paths.
* If <i>names</i> is empty, the returned list is also empty

159
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/ScriptBasedMapping.java
View File

@ -32,16 +32,21 @@
/**
* This class implements the {@link DNSToSwitchMapping} interface using a
* script configured via the {@link CommonConfigurationKeys#NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY}
* script configured via the
* {@link CommonConfigurationKeys#NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY} option.
* <p/>
* It contains a static class <code>RawScriptBasedMapping</code> that performs
* the work: reading the configuration parameters, executing any defined
* script, handling errors and such like. The outer
* class extends {@link CachedDNSToSwitchMapping} to cache the delegated
* queries.
* <p/>
* This DNS mapper's {@link #isSingleSwitch()} predicate returns
* true if and only if a script is defined.
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public final class ScriptBasedMapping extends CachedDNSToSwitchMapping
implements Configurable
{
public ScriptBasedMapping() {
super(new RawScriptBasedMapping());
}
public final class ScriptBasedMapping extends CachedDNSToSwitchMapping {
/**
* Minimum number of arguments: {@value}
@ -65,6 +70,18 @@ public ScriptBasedMapping() {
static final String SCRIPT_ARG_COUNT_KEY =
CommonConfigurationKeys.NET_TOPOLOGY_SCRIPT_NUMBER_ARGS_KEY ;
/**
* Create an instance with the default configuration.
* </p>
* Calling {@link #setConf(Configuration)} will trigger a
* re-evaluation of the configuration settings and so be used to
* set up the mapping script.
*
*/
public ScriptBasedMapping() {
super(new RawScriptBasedMapping());
}
/**
* Create an instance from the given configuration
* @param conf configuration
@ -74,14 +91,31 @@ public ScriptBasedMapping(Configuration conf) {
setConf(conf);
}
@Override
public Configuration getConf() {
return ((RawScriptBasedMapping)rawMapping).getConf();
/**
* Get the cached mapping and convert it to its real type
* @return the inner raw script mapping.
*/
private RawScriptBasedMapping getRawMapping() {
return (RawScriptBasedMapping)rawMapping;
}
@Override
public Configuration getConf() {
return getRawMapping().getConf();
}
/**
* {@inheritDoc}
* <p/>
* This will get called in the superclass constructor, so a check is needed
* to ensure that the raw mapping is defined before trying to relaying a null
* configuration.
* @param conf
*/
@Override
public void setConf(Configuration conf) {
((RawScriptBasedMapping)rawMapping).setConf(conf);
super.setConf(conf);
getRawMapping().setConf(conf);
}
/**
@ -89,29 +123,26 @@ public void setConf(Configuration conf) {
* by the superclass {@link CachedDNSToSwitchMapping}
*/
private static final class RawScriptBasedMapping
implements DNSToSwitchMapping {
extends AbstractDNSToSwitchMapping {
private String scriptName;
private Configuration conf;
private int maxArgs; //max hostnames per call of the script
private static Log LOG =
private static final Log LOG =
LogFactory.getLog(ScriptBasedMapping.class);
/**
* Set the configuration and
* @param conf extract the configuration parameters of interest
* Set the configuration and extract the configuration parameters of interest
* @param conf the new configuration
*/
@Override
public void setConf (Configuration conf) {
this.scriptName = conf.get(SCRIPT_FILENAME_KEY);
this.maxArgs = conf.getInt(SCRIPT_ARG_COUNT_KEY, DEFAULT_ARG_COUNT);
this.conf = conf;
}
/**
* Get the configuration
* @return the configuration
*/
public Configuration getConf () {
return conf;
super.setConf(conf);
if (conf != null) {
scriptName = conf.get(SCRIPT_FILENAME_KEY);
maxArgs = conf.getInt(SCRIPT_ARG_COUNT_KEY, DEFAULT_ARG_COUNT);
} else {
scriptName = null;
maxArgs = 0;
}
}
/**
@ -122,42 +153,42 @@ public RawScriptBasedMapping() {}
@Override
public List<String> resolve(List<String> names) {
List <String> m = new ArrayList<String>(names.size());
if (names.isEmpty()) {
return m;
}
List<String> m = new ArrayList<String>(names.size());
if (scriptName == null) {
for (int i = 0; i < names.size(); i++) {
m.add(NetworkTopology.DEFAULT_RACK);
if (names.isEmpty()) {
return m;
}
return m;
}
String output = runResolveCommand(names);
if (output != null) {
StringTokenizer allSwitchInfo = new StringTokenizer(output);
while (allSwitchInfo.hasMoreTokens()) {
String switchInfo = allSwitchInfo.nextToken();
m.add(switchInfo);
if (scriptName == null) {
for (String name : names) {
m.add(NetworkTopology.DEFAULT_RACK);
}
return m;
}
if (m.size() != names.size()) {
// invalid number of entries returned by the script
LOG.error("Script " + scriptName + " returned "
+ Integer.toString(m.size()) + " values when "
+ Integer.toString(names.size()) + " were expected.");
String output = runResolveCommand(names);
if (output != null) {
StringTokenizer allSwitchInfo = new StringTokenizer(output);
while (allSwitchInfo.hasMoreTokens()) {
String switchInfo = allSwitchInfo.nextToken();
m.add(switchInfo);
}
if (m.size() != names.size()) {
// invalid number of entries returned by the script
LOG.error("Script " + scriptName + " returned "
+ Integer.toString(m.size()) + " values when "
+ Integer.toString(names.size()) + " were expected.");
return null;
}
} else {
// an error occurred. return null to signify this.
// (exn was already logged in runResolveCommand)
return null;
}
} else {
// an error occurred. return null to signify this.
// (exn was already logged in runResolveCommand)
return null;
return m;
}
return m;
}
/**
* Build and execute the resolution command. The command is
@ -195,10 +226,10 @@ private String runResolveCommand(List<String> args) {
dir = new File(userDir);
}
ShellCommandExecutor s = new ShellCommandExecutor(
cmdList.toArray(new String[0]), dir);
cmdList.toArray(new String[cmdList.size()]), dir);
try {
s.execute();
allOutput.append(s.getOutput() + " ");
allOutput.append(s.getOutput()).append(" ");
} catch (Exception e) {
LOG.warn("Exception: ", e);
return null;
@ -207,5 +238,15 @@ private String runResolveCommand(List<String> args) {
}
return allOutput.toString();
}
/**
* Declare that the mapper is single-switched if a script was not named
* in the configuration.
* @return true iff there is no script
*/
@Override
public boolean isSingleSwitch() {
return scriptName == null;
}
}
}

102
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/StaticMapping.java
View File

@ -17,34 +17,80 @@
*/
package org.apache.hadoop.net;
import java.util.*;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Implements the {@link DNSToSwitchMapping} via static mappings. Used
* in testcases that simulate racks.
* in testcases that simulate racks, and in the
* {@link org.apache.hadoop.hdfs.MiniDFSCluster}
*
* A shared, static mapping is used; to reset it call {@link #resetMap()}.
*
* When an instance of the class has its {@link #setConf(Configuration)}
* method called, nodes listed in the configuration will be added to the map.
* These do not get removed when the instance is garbage collected.
*/
public class StaticMapping extends Configured implements DNSToSwitchMapping {
public void setconf(Configuration conf) {
String[] mappings = conf.getStrings("hadoop.configured.node.mapping");
if (mappings != null) {
for (int i = 0; i < mappings.length; i++) {
String str = mappings[i];
String host = str.substring(0, str.indexOf('='));
String rack = str.substring(str.indexOf('=') + 1);
addNodeToRack(host, rack);
public class StaticMapping extends AbstractDNSToSwitchMapping {
/**
* key to define the node mapping as a comma-delimited list of host=rack
* mappings, e.g. <code>host1=r1,host2=r1,host3=r2</code>.
* </p>
* <b>Important: </b>spaces not trimmed and are considered significant.
*/
public static final String KEY_HADOOP_CONFIGURED_NODE_MAPPING =
"hadoop.configured.node.mapping";
/**
* Configure the mapping by extracting any mappings defined in the
* {@link #KEY_HADOOP_CONFIGURED_NODE_MAPPING} field
* @param conf new configuration
*/
@Override
public void setConf(Configuration conf) {
super.setConf(conf);
if (conf != null) {
String[] mappings = conf.getStrings(KEY_HADOOP_CONFIGURED_NODE_MAPPING);
if (mappings != null) {
for (String str : mappings) {
String host = str.substring(0, str.indexOf('='));
String rack = str.substring(str.indexOf('=') + 1);
addNodeToRack(host, rack);
}
}
}
}
/* Only one instance per JVM */
private static Map<String, String> nameToRackMap = new HashMap<String, String>();
static synchronized public void addNodeToRack(String name, String rackId) {
nameToRackMap.put(name, rackId);
/**
* retained lower case setter for compatibility reasons; relays to
* {@link #setConf(Configuration)}
* @param conf new configuration
*/
public void setconf(Configuration conf) {
setConf(conf);
}
/* Only one instance per JVM */
private static final Map<String, String> nameToRackMap = new HashMap<String, String>();
/**
* Add a node to the static map. The moment any entry is added to the map,
* the map goes multi-rack.
* @param name node name
* @param rackId rack ID
*/
public static void addNodeToRack(String name, String rackId) {
synchronized (nameToRackMap) {
nameToRackMap.put(name, rackId);
}
}
@Override
public List<String> resolve(List<String> names) {
List<String> m = new ArrayList<String>();
synchronized (nameToRackMap) {
@ -59,4 +105,24 @@ public List<String> resolve(List<String> names) {
return m;
}
}
/**
* This mapping is only single switch if the map is empty
* @return the current switching status
*/
@Override
public boolean isSingleSwitch() {
synchronized (nameToRackMap) {
return nameToRackMap.isEmpty();
}
}
/**
* Clear the map and revert to being a single switch
*/
public static void resetMap() {
synchronized (nameToRackMap) {
nameToRackMap.clear();
}
}
}

53
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestScriptBasedMapping.java
View File

@ -23,30 +23,59 @@
import org.apache.hadoop.conf.Configuration;
import junit.framework.TestCase;
import org.junit.Test;
public class TestScriptBasedMapping extends TestCase {
private ScriptBasedMapping mapping;
private Configuration conf;
private List<String> names;
public TestScriptBasedMapping() {
mapping = new ScriptBasedMapping();
conf = new Configuration();
conf.setInt(ScriptBasedMapping.SCRIPT_ARG_COUNT_KEY,
ScriptBasedMapping.MIN_ALLOWABLE_ARGS - 1);
conf.set(ScriptBasedMapping.SCRIPT_FILENAME_KEY, "any-filename");
mapping.setConf(conf);
}
@Test
public void testNoArgsMeansNoResult() {
names = new ArrayList<String>();
Configuration conf = new Configuration();
conf.setInt(ScriptBasedMapping.SCRIPT_ARG_COUNT_KEY,
ScriptBasedMapping.MIN_ALLOWABLE_ARGS - 1);
conf.set(ScriptBasedMapping.SCRIPT_FILENAME_KEY, "any-filename");
conf.set(ScriptBasedMapping.SCRIPT_FILENAME_KEY, "any-filename");
ScriptBasedMapping mapping = createMapping(conf);
List<String> names = new ArrayList<String>();
names.add("some.machine.name");
names.add("other.machine.name");
List<String> result = mapping.resolve(names);
assertNull(result);
assertNull("Expected an empty list", result);
}
@Test
public void testNoFilenameMeansSingleSwitch() throws Throwable {
Configuration conf = new Configuration();
ScriptBasedMapping mapping = createMapping(conf);
assertTrue("Expected to be single switch", mapping.isSingleSwitch());
assertTrue("Expected to be single switch",
AbstractDNSToSwitchMapping.isMappingSingleSwitch(mapping));
}
@Test
public void testFilenameMeansMultiSwitch() throws Throwable {
Configuration conf = new Configuration();
conf.set(ScriptBasedMapping.SCRIPT_FILENAME_KEY, "any-filename");
ScriptBasedMapping mapping = createMapping(conf);
assertFalse("Expected to be multi switch", mapping.isSingleSwitch());
mapping.setConf(new Configuration());
assertTrue("Expected to be single switch", mapping.isSingleSwitch());
}
@Test
public void testNullConfig() throws Throwable {
ScriptBasedMapping mapping = createMapping(null);
assertTrue("Expected to be single switch", mapping.isSingleSwitch());
}
private ScriptBasedMapping createMapping(Configuration conf) {
ScriptBasedMapping mapping = new ScriptBasedMapping();
mapping.setConf(conf);
return mapping;
}
}

103
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestStaticMapping.java Normal file
View File

@ -0,0 +1,103 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.net;
import org.apache.hadoop.conf.Configuration;
import org.junit.Assert;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
/**
* Test the static mapping class.
* Because the map is actually static, this map needs to be reset for every test
*/
public class TestStaticMapping extends Assert {
/**
* Reset the map then create a new instance of the {@link StaticMapping}
* class
* @return a new instance
*/
private StaticMapping newInstance() {
StaticMapping.resetMap();
return new StaticMapping();
}
@Test
public void testStaticIsSingleSwitch() throws Throwable {
StaticMapping mapping = newInstance();
assertTrue("Empty maps are not single switch", mapping.isSingleSwitch());
}
@Test
public void testCachingRelaysQueries() throws Throwable {
StaticMapping staticMapping = newInstance();
CachedDNSToSwitchMapping mapping =
new CachedDNSToSwitchMapping(staticMapping);
assertTrue("Expected single switch", mapping.isSingleSwitch());
StaticMapping.addNodeToRack("n1", "r1");
assertFalse("Expected to be multi switch",
mapping.isSingleSwitch());
}
@Test
public void testAddResolveNodes() throws Throwable {
StaticMapping mapping = newInstance();
StaticMapping.addNodeToRack("n1", "r1");
List<String> l1 = new ArrayList<String>(2);
l1.add("n1");
l1.add("unknown");
List<String> mappings = mapping.resolve(l1);
assertEquals(2, mappings.size());
assertEquals("r1", mappings.get(0));
assertEquals(NetworkTopology.DEFAULT_RACK, mappings.get(1));
assertFalse("Mapping is still single switch", mapping.isSingleSwitch());
}
@Test
public void testReadNodesFromConfig() throws Throwable {
StaticMapping mapping = newInstance();
Configuration conf = new Configuration();
conf.set(StaticMapping.KEY_HADOOP_CONFIGURED_NODE_MAPPING, "n1=r1,n2=r2");
mapping.setConf(conf);
List<String> l1 = new ArrayList<String>(3);
l1.add("n1");
l1.add("unknown");
l1.add("n2");
List<String> mappings = mapping.resolve(l1);
assertEquals(3, mappings.size());
assertEquals("r1", mappings.get(0));
assertEquals(NetworkTopology.DEFAULT_RACK, mappings.get(1));
assertEquals("r2", mappings.get(2));
assertFalse("Expected to be multi switch",
AbstractDNSToSwitchMapping.isMappingSingleSwitch(mapping));
}
@Test
public void testNullConfiguration() throws Throwable {
StaticMapping mapping = newInstance();
mapping.setConf(null);
assertTrue("Null maps is not single switch", mapping.isSingleSwitch());
assertTrue("Expected to be single switch",
AbstractDNSToSwitchMapping.isMappingSingleSwitch(mapping));
}
}

53
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestSwitchMapping.java Normal file
View File

@ -0,0 +1,53 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.net;
import org.junit.Assert;
import org.junit.Test;
import java.util.List;
/**
* Test some other details of the switch mapping
*/
public class TestSwitchMapping extends Assert {
@Test
public void testStandaloneClassesAssumedMultiswitch() throws Throwable {
DNSToSwitchMapping mapping = new StandaloneSwitchMapping();
assertFalse("Expected to be multi switch",
AbstractDNSToSwitchMapping.isMappingSingleSwitch(mapping));
}
@Test
public void testCachingRelays() throws Throwable {
CachedDNSToSwitchMapping mapping =
new CachedDNSToSwitchMapping(new StandaloneSwitchMapping());
assertFalse("Expected to be multi switch",
mapping.isSingleSwitch());
}
private static class StandaloneSwitchMapping implements DNSToSwitchMapping {
@Override
public List<String> resolve(List<String> names) {
return names;
}
}
}

13
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
View File

@ -11,6 +11,8 @@ Trunk (unreleased changes)
HDFS-2520. Add protobuf service for InterDatanodeProtocol. (suresh)
HDFS-2519. Add protobuf service for DatanodeProtocol. (suresh)
IMPROVEMENTS
HADOOP-7524 Change RPC to allow multiple protocols including multuple
@ -122,6 +124,9 @@ Release 0.23.1 - UNRELEASED
NEW FEATURES
HDFS-2316. [umbrella] webhdfs: a complete FileSystem implementation for
accessing HDFS over HTTP (szetszwo)
IMPROVEMENTS
HDFS-2560. Refactor BPOfferService to be a static inner class (todd)
@ -151,6 +156,10 @@ Release 0.23.1 - UNRELEASED
HDFS-2566. Move BPOfferService to be a non-inner class. (todd)
HDFS-2552. Add Forrest doc for WebHDFS REST API. (szetszwo)
HDFS-2587. Add apt doc for WebHDFS REST API. (szetszwo)
OPTIMIZATIONS
HDFS-2130. Switch default checksum to CRC32C. (todd)
@ -177,6 +186,10 @@ Release 0.23.1 - UNRELEASED
trying to browse DFS via web UI. (harsh via eli)
HDFS-2575. DFSTestUtil may create empty files (todd)
HDFS-2588. hdfs jsp pages missing DOCTYPE. (Dave Vronay via mattf)
HDFS-2590. Fix the missing links in the WebHDFS forrest doc. (szetszwo)
Release 0.23.0 - 2011-11-01

6
hadoop-hdfs-project/hadoop-hdfs/src/main/docs/changes/changes2html.pl
View File

@ -242,7 +242,11 @@
$item =~ s:\s*(\([^)"]+?\))\s*$:<br />$1:; # Separate attribution
$item =~ s:\n{2,}:\n<p/>\n:g; # Keep paragraph breaks
$item =~ s{(?:${jira_url_prefix})?(HADOOP-\d+)} # Link to JIRA
$item =~ s{(?:${jira_url_prefix})?(HADOOP-\d+)} # Link to JIRA Common
{<a href="${jira_url_prefix}$1">$1</a>}g;
$item =~ s{(?:${jira_url_prefix})?(HDFS-\d+)} # Link to JIRA Hdfs
{<a href="${jira_url_prefix}$1">$1</a>}g;
$item =~ s{(?:${jira_url_prefix})?(MAPREDUCE-\d+)} # Link to JIRA MR
{<a href="${jira_url_prefix}$1">$1</a>}g;
print " <li>$item</li>\n";
}

28
hadoop-hdfs-project/hadoop-hdfs/src/main/docs/src/documentation/content/xdocs/site.xml
View File

@ -43,6 +43,7 @@ See http://forrest.apache.org/docs/linking.html for more info.
<hdfs_SLG label="Synthetic Load Generator" href="SLG_user_guide.html" />
<hdfs_imageviewer label="Offline Image Viewer" href="hdfs_imageviewer.html" />
<hdfs_editsviewer label="Offline Edits Viewer" href="hdfs_editsviewer.html" />
<webhdfs label="WebHDFS REST API" href="webhdfs.html" />
<hftp label="HFTP" href="hftp.html"/>
<faultinject_framework label="Fault Injection" href="faultinject_framework.html" />
<hdfs_libhdfs label="C API libhdfs" href="libhdfs.html" />
@ -119,8 +120,33 @@ See http://forrest.apache.org/docs/linking.html for more info.
</distributedcache>
</filecache>
<fs href="fs/">
<filesystem href="FileSystem.html" />
<FileStatus href="FileStatus.html" />
<Path href="Path.html" />
<filesystem href="FileSystem.html">
<open href="#open(org.apache.hadoop.fs.Path,%20int)" />
<getFileStatus href="#getFileStatus(org.apache.hadoop.fs.Path)" />
<listStatus href="#listStatus(org.apache.hadoop.fs.Path)" />
<getContentSummary href="#getContentSummary(org.apache.hadoop.fs.Path)" />
<getFileChecksum href="#getFileChecksum(org.apache.hadoop.fs.Path)" />
<getHomeDirectory href="#getHomeDirectory()" />
<getDelegationToken href="#getDelegationToken(org.apache.hadoop.io.Text)" />
<create href="#create(org.apache.hadoop.fs.Path,%20org.apache.hadoop.fs.permission.FsPermission,%20boolean,%20int,%20short,%20long,%20org.apache.hadoop.util.Progressable)" />
<mkdirs href="#mkdirs(org.apache.hadoop.fs.Path,%20org.apache.hadoop.fs.permission.FsPermission)" />
<rename href="#rename(org.apache.hadoop.fs.Path,%20org.apache.hadoop.fs.Path,%20org.apache.hadoop.fs.Options.Rename...)" />
<setReplication href="#setReplication(org.apache.hadoop.fs.Path,%20short)" />
<setOwner href="#setOwner(org.apache.hadoop.fs.Path,%20java.lang.String,%20java.lang.String)" />
<setPermission href="#setPermission(org.apache.hadoop.fs.Path,%20org.apache.hadoop.fs.permission.FsPermission)" />
<setTimes href="#setTimes(org.apache.hadoop.fs.Path,%20long,%20long)" />
<append href="#append(org.apache.hadoop.fs.Path,%20int,%20org.apache.hadoop.util.Progressable)" />
<delete href="#delete(org.apache.hadoop.fs.Path,%20boolean)" />
</filesystem>
</fs>
<io href="io/">
<closeable href="Closeable.html">
<close href="#close()" />

1555
hadoop-hdfs-project/hadoop-hdfs/src/main/docs/src/documentation/content/xdocs/webhdfs.xml Normal file
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File diff suppressed because it is too large Load Diff

17153
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/proto/DatanodeProtocolProtos.java Normal file
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File diff suppressed because it is too large Load Diff

2
hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/datanode/browseBlock.jsp
View File

@ -27,7 +27,7 @@
//for java.io.Serializable
private static final long serialVersionUID = 1L;
%>
<!DOCTYPE html>
<html>
<head>
<%JspHelper.createTitle(out, request, request.getParameter("filename")); %>

2
hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/datanode/browseDirectory.jsp
View File

@ -29,7 +29,7 @@
//for java.io.Serializable
private static final long serialVersionUID = 1L;
%>
<!DOCTYPE html>
<html>
<head>
<style type=text/css>

1
hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/datanode/tail.jsp
View File

@ -27,6 +27,7 @@
//for java.io.Serializable
private static final long serialVersionUID = 1L;
%>
<!DOCTYPE html>
<html>
<head>
<%JspHelper.createTitle(out, request, request.getParameter("filename")); %>

1
hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/corrupt_files.jsp
View File

@ -38,6 +38,7 @@
int corruptFileCount = corruptFileBlocks.size();
%>
<!DOCTYPE html>
<html>
<link rel="stylesheet" type="text/css" href="/static/hadoop.css">
<title>Hadoop <%=namenodeRole%> <%=namenodeLabel%></title>

1
hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.jsp
View File

@ -33,6 +33,7 @@
String namenodeLabel = nn.getNameNodeAddress().getHostName() + ":" + nn.getNameNodeAddress().getPort();
%>
<!DOCTYPE html>
<html>
<link rel="stylesheet" type="text/css" href="/static/hadoop.css">

1
hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfsnodelist.jsp
View File

@ -33,6 +33,7 @@ FSNamesystem fsn = nn.getNamesystem();
String namenodeLabel = nn.getNameNodeAddress().getHostName() + ":" + nn.getNameNodeAddress().getPort();
%>
<!DOCTYPE html>
<html>
<link rel="stylesheet" type="text/css" href="/static/hadoop.css">

1
hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/nn_browsedfscontent.jsp
View File

@ -27,6 +27,7 @@
//for java.io.Serializable
private static final long serialVersionUID = 1L;
%>
<!DOCTYPE html>
<html>
<title></title>

1
hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/secondary/status.jsp
View File

@ -27,6 +27,7 @@
private static final long serialVersionUID = 1L;
%>
<!DOCTYPE html>
<html>
<link rel="stylesheet" type="text/css" href="/static/hadoop.css">
<title>Hadoop SecondaryNameNode</title>

344
hadoop-hdfs-project/hadoop-hdfs/src/proto/DatanodeProtocol.proto Normal file
View File

@ -0,0 +1,344 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// This file contains protocol buffers that are used throughout HDFS -- i.e.
// by the client, server, and data transfer protocols.
option java_package = "org.apache.hadoop.hdfs.protocol.proto";
option java_outer_classname = "DatanodeProtocolProtos";
option java_generic_services = true;
option java_generate_equals_and_hash = true;
import "hdfs.proto";
/**
* Information to identify a datanode to a namenode
*/
message DatanodeRegistrationProto {
required DatanodeIDProto datanodeID = 1; // Datanode information
required StorageInfoProto storateInfo = 2; // Node information
required ExportedBlockKeysProto keys = 3; // Block keys
}
/**
* Commands sent from namenode to the datanodes
*/
message DatanodeCommandProto {
enum Type {
BalancerBandwidthCommand = 0;
BlockCommand = 1;
BlockRecoveryCommand = 2;
FinalizeCommand = 3;
KeyUpdateCommand = 4;
RegisterCommand = 5;
UpgradeCommand = 6;
}
required Type cmdType = 1; // Type of the command
// One of the following command is available when the corresponding
// cmdType is set
optional BalancerBandwidthCommandProto balancerCmd = 2;
optional BlockCommandProto blkCmd = 3;
optional BlockRecoveryCommndProto recoveryCmd = 4;
optional FinalizeCommandProto finalizeCmd = 5;
optional KeyUpdateCommandProto keyUpdateCmd = 6;
optional RegisterCommandProto registerCmd = 7;
optional UpgradeCommandProto upgradeCmd = 8;
}
/**
* Command sent from namenode to datanode to set the
* maximum bandwidth to be used for balancing.
*/
message BalancerBandwidthCommandProto {
// Maximum bandwidth to be used by datanode for balancing
required uint64 bandwidth = 1;
}
/**
* Command to instruct datanodes to perform certain action
* on the given set of blocks.
*/
message BlockCommandProto {
enum Action {
UNKNOWN = 0; // Unknown action
TRANSFER = 1; // Transfer blocks to another datanode
INVALIDATE = 2; // Invalidate blocks
SHUTDOWN = 3; // Shutdown node
}
required uint32 action = 1;
required string blockPoolId = 2;
repeated BlockProto blocks = 3;
repeated DatanodeIDsProto targets = 4;
}
/**
* List of blocks to be recovered by the datanode
*/
message BlockRecoveryCommndProto {
repeated RecoveringBlockProto blocks = 1;
}
/**
* Finalize the upgrade at the datanode
*/
message FinalizeCommandProto {
required string blockPoolId = 1; // Block pool to be finalized
}
/**
* Update the block keys at the datanode
*/
message KeyUpdateCommandProto {
required ExportedBlockKeysProto keys = 1;
}
/**
* Instruct datanode to register with the namenode
*/
message RegisterCommandProto {
// void
}
/**
* Generic distributed upgrade Command
*/
message UpgradeCommandProto {
enum Action {
UNKNOWN = 0; // Unknown action
REPORT_STATUS = 100; // Report upgrade status
START_UPGRADE = 101; // Start upgrade
}
required uint32 action = 1; // Upgrade action
required uint32 version = 2; // Version of the upgrade
required uint32 upgradeStatus = 3; // % completed in range 0 & 100
}
/**
* registration - Information of the datanode registering with the namenode
*/
message RegisterDatanodeRequestProto {
required DatanodeRegistrationProto registration = 1; // Datanode info
}
/**
* registration - Update registration of the datanode that successfully
* registered. StorageInfo will be updated to include new
* storage ID if the datanode did not have one in the request.
*/
message RegisterDatanodeResponseProto {
required DatanodeRegistrationProto registration = 1; // Datanode info
}
/**
* registration - datanode registration information
* capacity - total storage capacity available at the datanode
* dfsUsed - storage used by HDFS
* remaining - remaining storage available for HDFS
* blockPoolUsed - storage used by the block pool
* xmitsInProgress - number of transfers from this datanode to others
* xceiverCount - number of active transceiver threads
* failedVolumes - number of failed volumes
*/
message HeartbeatRequestProto {
required DatanodeRegistrationProto registration = 1; // Datanode info
required uint64 capacity = 2;
required uint64 dfsUsed = 3;
required uint64 remaining = 4;
required uint64 blockPoolUsed = 5;
required uint32 xmitsInProgress = 6;
required uint32 xceiverCount = 7;
required uint32 failedVolumes = 8;
}
/**
* cmds - Commands from namenode to datanode.
*/
message HeartbeatResponseProto {
repeated DatanodeCommandProto cmds = 1;
}
/**
* registration - datanode registration information
* blockPoolID - block pool ID of the reported blocks
* blocks - each block is represented as two longs in the array.
* first long represents block ID
* second long represents length
*/
message BlockReportRequestProto {
required DatanodeRegistrationProto registration = 1;
required string blockPoolId = 2;
repeated uint64 blocks = 3 [packed=true];
}
/**
* cmd - Command from namenode to the datanode
*/
message BlockReportResponseProto {
required DatanodeCommandProto cmd = 1;
}
/**
* Data structure to send received or deleted block information
* from datanode to namenode.
*
* deleteHint set to "-" indicates block deletion.
* other deleteHint indicates block addition.
*/
message ReceivedDeletedBlockInfoProto {
required BlockProto block = 1;
optional string deleteHint = 2;
}
/**
* registration - datanode registration information
* blockPoolID - block pool ID of the reported blocks
* blocks - Received/deleted block list
*/
message BlockReceivedAndDeletedRequestProto {
required DatanodeRegistrationProto registration = 1;
required string blockPoolId = 2;
repeated ReceivedDeletedBlockInfoProto blocks = 3;
}
/**
* void response
*/
message BlockReceivedAndDeletedResponseProto {
}
/**
* registartion - Datanode reporting the error
* errorCode - error code indicating the error
* msg - Free text description of the error
*/
message ErrorReportRequestProto {
enum ErrorCode {
NOTIFY = 0; // Error report to be logged at the namenode
DISK_ERROR = 1; // DN has disk errors but still has valid volumes
INVALID_BLOCK = 2; // Command from namenode has invalid block ID
FATAL_DISK_ERROR = 3; // No valid volumes left on datanode
}
required DatanodeRegistrationProto registartion = 1; // Registartion info
required uint32 errorCode = 2; // Error code
required string msg = 3; // Error message
}
/**
* void response
*/
message ErrorReportResponseProto {
}
/**
* cmd - Upgrade command sent from datanode to namenode
*/
message ProcessUpgradeRequestProto {
optional UpgradeCommandProto cmd = 1;
}
/**
* cmd - Upgrade command sent from namenode to datanode
*/
message ProcessUpgradeResponseProto {
optional UpgradeCommandProto cmd = 1;
}
/**
* blocks - list of blocks that are reported as corrupt
*/
message ReportBadBlocksRequestProto {
repeated LocatedBlockProto blocks = 1;
}
/**
* void response
*/
message ReportBadBlocksResponseProto {
}
/**
* Commit block synchronization request during lease recovery
*/
message CommitBlockSynchronizationRequestProto {
required ExtendedBlockProto block = 1;
required uint64 newGenStamp = 2;
required uint64 newLength = 3;
required bool closeFile = 4;
required bool deleteBlock = 5;
repeated DatanodeIDProto newTaragets = 6;
}
/**
* void response
*/
message CommitBlockSynchronizationResponseProto {
}
/**
* Protocol used from datanode to the namenode
* See the request and response for details of rpc call.
*/
service DatanodeProtocolService {
/**
* Register a datanode at a namenode
*/
rpc registerDatanode(RegisterDatanodeRequestProto)
returns(RegisterDatanodeResponseProto);
/**
* Send heartbeat from datanode to namenode
*/
rpc sendHeartbeat(HeartbeatRequestProto) returns(HeartbeatResponseProto);
/**
* Report blocks at a given datanode to the namenode
*/
rpc blockReport(BlockReportRequestProto) returns(BlockReportResponseProto);
/**
* Report from datanode about recently received or deleted block
*/
rpc blockReceivedAndDeleted(BlockReceivedAndDeletedRequestProto)
returns(BlockReceivedAndDeletedResponseProto);
/**
* Report from a datanode of an error to the active namenode.
* Used for debugging.
*/
rpc errorReport(ErrorReportRequestProto) returns(ErrorReportResponseProto);
/**
* Generic way to send commands from datanode to namenode during
* distributed upgrade process.
*/
rpc processUpgrade(ProcessUpgradeRequestProto) returns(ProcessUpgradeResponseProto);
/**
* Report corrupt blocks at the specified location
*/
rpc reportBadBlocks(ReportBadBlocksRequestProto) returns(ReportBadBlocksResponseProto);
/**
* Commit block synchronization during lease recovery.
*/
rpc commitBlockSynchronization(CommitBlockSynchronizationRequestProto)
returns(CommitBlockSynchronizationResponseProto);
}

27
hadoop-mapreduce-project/CHANGES.txt
View File

@ -41,6 +41,8 @@ Trunk (unreleased changes)
(tucu)
BUG FIXES
MAPREDUCE-3412. Fix 'ant docs'. (amarrk)
MAPREDUCE-3346. [Rumen] LoggedTaskAttempt#getHostName() returns null.
(amarrk)
@ -106,6 +108,17 @@ Release 0.23.1 - Unreleased
MAPREDUCE-3372. HADOOP_PREFIX cannot be overridden.
(Bruno Mahé via tomwhite)
MAPREDUCE-3411. Performance Upgrade for jQuery (Jonathan Eagles via
mahadev)
MAPREDUCE-3371. Review and improve the yarn-api javadocs. (Ravi Prakash
via mahadev)
MAPREDUCE-3238. Small cleanup in SchedulerApp. (Todd Lipcon via mahadev)
MAPREDUCE-3413. RM web ui applications not sorted in any order by default.
(Jonathan Eagles via mahadev)
OPTIMIZATIONS
BUG FIXES
@ -159,6 +172,20 @@ Release 0.23.1 - Unreleased
MAPREDUCE-3444. trunk/0.23 builds broken (Hitesh Shah via mahadev)
MAPREDUCE-3454. [Gridmix] TestDistCacheEmulation is broken (Hitesh Shah
via mahadev)
MAPREDUCE-3408. yarn-daemon.sh unconditionnaly sets yarn.root.logger
(Bruno Mahe via mahadev)
MAPREDUCE-3329. Fixed CapacityScheduler to ensure maximum-capacity cannot
be lesser than capacity for any queue. (acmurthy)
MAPREDUCE-3464. mapreduce jsp pages missing DOCTYPE. (Dave Vronay via mattf)
MAPREDUCE-3265. Removed debug logs during job submission to LOG.debug to
cut down noise. (acmurthy)
Release 0.23.0 - 2011-11-01
INCOMPATIBLE CHANGES

4
hadoop-mapreduce-project/build.xml
View File

@ -932,10 +932,6 @@
<style basedir="${mapred.src.dir}" destdir="${build.docs}"
includes="mapred-default.xml" style="conf/configuration.xsl"/>
<antcall target="changes-to-html"/>
<subant target="docs">
<property name="build.docs" value="${build.docs}"/>
<fileset file="${contrib.dir}/build.xml"/>
</subant>
</target>
<target name="javadoc-dev" depends="compile, ivy-retrieve-javadoc" description="Generate javadoc for hadoop developers">

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/AppView.java
View File

@ -51,6 +51,8 @@ protected Class<? extends SubView> content() {
private String jobsTableInit() {
return tableInit().
// Sort by id upon page load
append(", aaSorting: [[0, 'asc']]").
append(",aoColumns:[{sType:'title-numeric'},").
append("null,null,{sType:'title-numeric', bSearchable:false},null,").
append("null,{sType:'title-numeric',bSearchable:false}, null, null]}").

5
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/TaskPage.java
View File

@ -119,6 +119,9 @@ protected Collection<TaskAttempt> getTaskAttempts() {
}
private String attemptsTableInit() {
return tableInit().append("}").toString();
return tableInit().
// Sort by id upon page load
append(", aaSorting: [[0, 'asc']]").
append("}").toString();
}
}

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/TasksPage.java
View File

@ -38,6 +38,8 @@ public class TasksPage extends AppView {
private String tasksTableInit() {
return tableInit().
// Sort by id upon page load
append(", aaSorting: [[0, 'asc']]").
append(",aoColumns:[{sType:'title-numeric'},{sType:'title-numeric',").
append("bSearchable:false},null,{sType:'title-numeric'},").
append("{sType:'title-numeric'},{sType:'title-numeric'}]}").toString();

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TaskLog.java
View File

@ -72,7 +72,7 @@ public class TaskLog {
if (!LOG_DIR.exists()) {
boolean b = LOG_DIR.mkdirs();
if (!b) {
LOG.warn("mkdirs failed. Ignoring.");
LOG.debug("mkdirs failed. Ignoring.");
}
}
}

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/Cluster.java
View File

@ -108,7 +108,7 @@ private void initialize(InetSocketAddress jobTrackAddr, Configuration conf)
break;
}
else {
LOG.info("Cannot pick " + provider.getClass().getName()
LOG.debug("Cannot pick " + provider.getClass().getName()
+ " as the ClientProtocolProvider - returned null protocol");
}
}

8
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/webapp/HsTaskPage.java
View File

@ -296,8 +296,12 @@ private String attemptsTableInit() {
} else { //MAP
b.append(", 5");
}
b.append(" ] }");
b.append("]}");
b.append(" ] }]");
// Sort by id upon page load
b.append(", aaSorting: [[0, 'asc']]");
b.append("}");
return b.toString();
}

8
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/webapp/HsTasksPage.java
View File

@ -74,8 +74,12 @@ private String tasksTableInit() {
} else { //MAP
b.append(", 7");
}
b.append(" ] }");
b.append("]}");
b.append(" ] }]");
// Sort by id upon page load
b.append(", aaSorting: [[0, 'asc']]");
b.append("}");
return b.toString();
}

12
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/webapp/HsView.java
View File

@ -84,11 +84,17 @@ protected Class<? extends SubView> content() {
*/
private String jobsTableInit() {
return tableInit().
append(",aoColumnDefs:[").
append("{'sType':'numeric', 'bSearchable': false, 'aTargets': [ 6 ] }").
append(",{'sType':'numeric', 'bSearchable': false, 'aTargets': [ 7 ] }").
// Sort by id upon page load
append(", aaSorting: [[2, 'asc']]").
append(", aoColumnDefs:[").
// Maps Total
append("{'sType':'numeric', 'bSearchable': false, 'aTargets': [ 7 ] }").
// Maps Completed
append(",{'sType':'numeric', 'bSearchable': false, 'aTargets': [ 8 ] }").
// Reduces Total
append(",{'sType':'numeric', 'bSearchable': false, 'aTargets': [ 9 ] }").
// Reduces Completed
append(",{'sType':'numeric', 'bSearchable': false, 'aTargets': [ 10 ] }").
append("]}").
toString();
}

7
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/ClientCache.java
View File

@ -30,12 +30,9 @@
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hadoop.mapreduce.v2.api.MRClientProtocol;
import org.apache.hadoop.mapreduce.v2.jobhistory.JHAdminConfig;
import org.apache.hadoop.mapreduce.v2.security.client.ClientHSSecurityInfo;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.SecurityInfo;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.YarnException;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.ipc.YarnRPC;
public class ClientCache {
@ -79,9 +76,9 @@ private MRClientProtocol instantiateHistoryProxy()
if (StringUtils.isEmpty(serviceAddr)) {
return null;
}
LOG.info("Connecting to HistoryServer at: " + serviceAddr);
LOG.debug("Connecting to HistoryServer at: " + serviceAddr);
final YarnRPC rpc = YarnRPC.create(conf);
LOG.info("Connected to HistoryServer at: " + serviceAddr);
LOG.debug("Connected to HistoryServer at: " + serviceAddr);
UserGroupInformation currentUser = UserGroupInformation.getCurrentUser();
return currentUser.doAs(new PrivilegedAction<MRClientProtocol>() {
@Override

19
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/ClientServiceDelegate.java
View File

@ -143,7 +143,7 @@ private MRClientProtocol getProxy() throws YarnRemoteException {
|| YarnApplicationState.RUNNING == application
.getYarnApplicationState()) {
if (application == null) {
LOG.info("Could not get Job info from RM for job " + jobId
LOG.debug("Could not get Job info from RM for job " + jobId
+ ". Redirecting to job history server.");
return checkAndGetHSProxy(null, JobState.NEW);
}
@ -169,8 +169,8 @@ private MRClientProtocol getProxy() throws YarnRemoteException {
+ ":" + addr.getPort()));
UserGroupInformation.getCurrentUser().addToken(clientToken);
}
LOG.info("Tracking Url of JOB is " + application.getTrackingUrl());
LOG.info("Connecting to " + serviceAddr);
LOG.info("The url to track the job: " + application.getTrackingUrl());
LOG.debug("Connecting to " + serviceAddr);
realProxy = instantiateAMProxy(serviceAddr);
return realProxy;
} catch (IOException e) {
@ -187,7 +187,7 @@ private MRClientProtocol getProxy() throws YarnRemoteException {
}
application = rm.getApplicationReport(appId);
if (application == null) {
LOG.info("Could not get Job info from RM for job " + jobId
LOG.debug("Could not get Job info from RM for job " + jobId
+ ". Redirecting to job history server.");
return checkAndGetHSProxy(null, JobState.RUNNING);
}
@ -281,16 +281,13 @@ private synchronized Object invoke(String method, Class argClass,
LOG.debug("Tracing remote error ", e.getTargetException());
throw (YarnRemoteException) e.getTargetException();
}
LOG.info("Failed to contact AM/History for job " + jobId +
" retrying..");
LOG.debug("Failed exception on AM/History contact",
e.getTargetException());
LOG.debug("Failed to contact AM/History for job " + jobId +
" retrying..", e.getTargetException());
// Force reconnection by setting the proxy to null.
realProxy = null;
} catch (Exception e) {
LOG.info("Failed to contact AM/History for job " + jobId
+ " Will retry..");
LOG.debug("Failing to contact application master", e);
LOG.debug("Failed to contact AM/History for job " + jobId
+ " Will retry..", e);
// Force reconnection by setting the proxy to null.
realProxy = null;
}

30
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/ResourceMgrDelegate.java
View File

@ -25,7 +25,6 @@
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.Text;
@ -40,11 +39,9 @@
import org.apache.hadoop.mapreduce.security.token.delegation.DelegationTokenIdentifier;
import org.apache.hadoop.mapreduce.v2.util.MRApps;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.SecurityInfo;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.yarn.api.ClientRMProtocol;
import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsResponse;
import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest;
@ -56,6 +53,7 @@
import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest;
import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
@ -67,13 +65,13 @@
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.ipc.YarnRPC;
import org.apache.hadoop.yarn.security.client.ClientRMSecurityInfo;
// TODO: This should be part of something like yarn-client.
public class ResourceMgrDelegate {
private static final Log LOG = LogFactory.getLog(ResourceMgrDelegate.class);
private final String rmAddress;
private YarnConfiguration conf;
ClientRMProtocol applicationsManager;
private ApplicationId applicationId;
@ -92,21 +90,25 @@ public ResourceMgrDelegate(YarnConfiguration conf) {
YarnConfiguration.DEFAULT_RM_ADDRESS),
YarnConfiguration.DEFAULT_RM_PORT,
YarnConfiguration.RM_ADDRESS);
LOG.info("Connecting to ResourceManager at " + rmAddress);
this.rmAddress = rmAddress.toString();
LOG.debug("Connecting to ResourceManager at " + rmAddress);
applicationsManager =
(ClientRMProtocol) rpc.getProxy(ClientRMProtocol.class,
rmAddress, this.conf);
LOG.info("Connected to ResourceManager at " + rmAddress);
LOG.debug("Connected to ResourceManager at " + rmAddress);
}
/**
* Used for injecting applicationsManager, mostly for testing.
* @param conf the configuration object
* @param applicationsManager the handle to talk the resource managers {@link ClientRMProtocol}.
* @param applicationsManager the handle to talk the resource managers
* {@link ClientRMProtocol}.
*/
public ResourceMgrDelegate(YarnConfiguration conf, ClientRMProtocol applicationsManager) {
public ResourceMgrDelegate(YarnConfiguration conf,
ClientRMProtocol applicationsManager) {
this.conf = conf;
this.applicationsManager = applicationsManager;
this.rmAddress = applicationsManager.toString();
}
public void cancelDelegationToken(Token<DelegationTokenIdentifier> arg0)
@ -295,18 +297,22 @@ public long renewDelegationToken(Token<DelegationTokenIdentifier> arg0)
}
public ApplicationId submitApplication(ApplicationSubmissionContext appContext)
public ApplicationId submitApplication(
ApplicationSubmissionContext appContext)
throws IOException {
appContext.setApplicationId(applicationId);
SubmitApplicationRequest request = recordFactory.newRecordInstance(SubmitApplicationRequest.class);
SubmitApplicationRequest request =
recordFactory.newRecordInstance(SubmitApplicationRequest.class);
request.setApplicationSubmissionContext(appContext);
applicationsManager.submitApplication(request);
LOG.info("Submitted application " + applicationId + " to ResourceManager");
LOG.info("Submitted application " + applicationId + " to ResourceManager" +
" at " + rmAddress);
return applicationId;
}
public void killApplication(ApplicationId applicationId) throws IOException {
KillApplicationRequest request = recordFactory.newRecordInstance(KillApplicationRequest.class);
KillApplicationRequest request =
recordFactory.newRecordInstance(KillApplicationRequest.class);
request.setApplicationId(applicationId);
applicationsManager.forceKillApplication(request);
LOG.info("Killing application " + applicationId);

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/YARNRunner.java
View File

@ -276,7 +276,7 @@ public ApplicationSubmissionContext createApplicationSubmissionContext(
Resource capability = recordFactory.newRecordInstance(Resource.class);
capability.setMemory(conf.getInt(MRJobConfig.MR_AM_VMEM_MB,
MRJobConfig.DEFAULT_MR_AM_VMEM_MB));
LOG.info("AppMaster capability = " + capability);
LOG.debug("AppMaster capability = " + capability);
// Setup LocalResources
Map<String, LocalResource> localResources =
@ -352,7 +352,7 @@ public ApplicationSubmissionContext createApplicationSubmissionContext(
}
vargsFinal.add(mergedCommand.toString());
LOG.info("Command to launch container for ApplicationMaster is : "
LOG.debug("Command to launch container for ApplicationMaster is : "
+ mergedCommand);
// Setup the CLASSPATH in environment

4
hadoop-mapreduce-project/hadoop-yarn/bin/yarn-daemon.sh
View File

@ -87,8 +87,8 @@ fi
# some variables
export YARN_LOGFILE=yarn-$YARN_IDENT_STRING-$command-$HOSTNAME.log
export YARN_ROOT_LOGGER="INFO,DRFA"
export YARN_JHS_LOGGER="INFO,JSA"
export YARN_ROOT_LOGGER=${YARN_ROOT_LOGGER:-INFO,DRFA}
export YARN_JHS_LOGGER=${YARN_JHS_LOGGER:-INFO,JSA}
log=$YARN_LOG_DIR/yarn-$YARN_IDENT_STRING-$command-$HOSTNAME.out
pid=$YARN_PID_DIR/yarn-$YARN_IDENT_STRING-$command.pid

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/AMRMProtocol.java
View File

@ -91,8 +91,8 @@ public FinishApplicationMasterResponse finishApplicationMaster(
*
* <p>This also doubles up as a <em>heartbeat</em> to let the
* <code>ResourceManager</code> know that the <code>ApplicationMaster</code>
* is alive. Thus, applications should use periodically make this call to
* be kept alive.</p>
* is alive. Thus, applications should periodically make this call to be kept
* alive. The frequency depends on ??</p>
*
* <p>The <code>ResourceManager</code> responds with list of allocated
* {@link Container}, status of completed containers and headroom information

5
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ClientRMProtocol.java
View File

@ -68,7 +68,8 @@ public interface ClientRMProtocol {
* {@link GetNewApplicationResponse}.</p>
*
* @param request request to get a new <code>ApplicationId</code>
* @return new <code>ApplicationId</code> to be used to submit an application
* @return response containing the new <code>ApplicationId</code> to be used
* to submit an application
* @throws YarnRemoteException
* @see #submitApplication(SubmitApplicationRequest)
*/
@ -216,7 +217,7 @@ public GetQueueInfoResponse getQueueInfo(
/**
* <p>The interface used by clients to get information about <em>queue
* acls</em> for <em>current users</em> from the <code>ResourceManager</code>.
* acls</em> for <em>current user</em> from the <code>ResourceManager</code>.
* </p>
*
* <p>The <code>ResourceManager</code> responds with queue acls for all

9
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ContainerManager.java
View File

@ -79,7 +79,7 @@ StartContainerResponse startContainer(StartContainerRequest request)
* to <em>stop</em> a {@link Container} allocated to it using this interface.
* </p>
*
* <p>The <code>ApplicationMaster</code></p> sends a
* <p>The <code>ApplicationMaster</code> sends a
* {@link StopContainerRequest} which includes the {@link ContainerId} of the
* container to be stopped.</p>
*
@ -105,8 +105,8 @@ StopContainerResponse stopContainer(StopContainerRequest request)
* current status of a <code>Container</code> from the
* <code>NodeManager</code>.</p>
*
* <p>The <code>ApplicationMaster</code></p> sends a
* {@link GetContainerStatusRequest} which includes the {@link ContainerId} of
* <p>The <code>ApplicationMaster</code> sends a
* {@link GetContainerStatusRequest} which includes the {@link ContainerId} of
* the container whose status is needed.</p>
*
*<p>The <code>NodeManager</code> responds with
@ -115,7 +115,8 @@ StopContainerResponse stopContainer(StopContainerRequest request)
*
* @param request request to get <code>ContainerStatus</code> of a container
* with the specified <code>ContainerId</code>
* @return <code>ContainerStatus</code> of the container
* @return response containing the <code>ContainerStatus</code> of the
* container
* @throws YarnRemoteException
*/
@Public

11
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/AllocateRequest.java
View File

@ -50,7 +50,6 @@
* <li>
* A list of unused {@link Container} which are being returned.
* </li>
* <li></li>
* </ul>
* </p>
*
@ -81,7 +80,7 @@ public interface AllocateRequest {
void setApplicationAttemptId(ApplicationAttemptId applicationAttemptId);
/**
* Get the <em>response id</em>.
* Get the <em>response id</em> used to track duplicate responses.
* @return <em>response id</em>
*/
@Public
@ -89,7 +88,7 @@ public interface AllocateRequest {
int getResponseId();
/**
* Set the <em>response id</em>
* Set the <em>response id</em> used to track duplicate responses.
* @param id <em>response id</em>
*/
@Public
@ -113,7 +112,7 @@ public interface AllocateRequest {
void setProgress(float progress);
/**
* Get the list of <code>ResourceRequest</code> to upate the
* Get the list of <code>ResourceRequest</code> to update the
* <code>ResourceManager</code> about the application's resource requirements.
* @return the list of <code>ResourceRequest</code>
*/
@ -130,9 +129,9 @@ public interface AllocateRequest {
int getAskCount();
/**
* Add list of <code>ResourceRequest</code> to upate the
* Add list of <code>ResourceRequest</code> to update the
* <code>ResourceManager</code> about the application's resource requirements.
* @param resourceRequest list of <code>ResourceRequest</code> to upate the
* @param resourceRequest list of <code>ResourceRequest</code> to update the
* <code>ResourceManager</code> about the application's
* resource requirements
*/

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/AllocateResponse.java
View File

@ -34,7 +34,7 @@
* <ul>
* <li>Response ID to track duplicate responses.</li>
* <li>
* A reboot flag to let the <code>ApplicationMaster</code> that its
* A reboot flag to let the <code>ApplicationMaster</code> know that its
* horribly out of sync and needs to reboot.</li>
* <li>A list of newly allocated {@link Container}.</li>
* <li>A list of completed {@link Container}.</li>

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetAllApplicationsRequest.java
View File

@ -26,6 +26,8 @@
* <p>The request from clients to get a report of all Applications
* in the cluster from the <code>ResourceManager</code>.</p>
*
* <p>Currently, this is empty.</p>
*
* @see ClientRMProtocol#getAllApplications(GetAllApplicationsRequest)
*/
@Public

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetClusterMetricsRequest.java
View File

@ -25,6 +25,8 @@
/**
* <p>The request sent by clients to get cluster metrics from the
* <code>ResourceManager</code>.</p>
*
* <p>Currently, this is empty.</p>
*
* @see ClientRMProtocol#getClusterMetrics(GetClusterMetricsRequest)
*/

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetClusterNodesRequest.java
View File

@ -26,6 +26,8 @@
* <p>The request from clients to get a report of all nodes
* in the cluster from the <code>ResourceManager</code>.</p>
*
* <p>Currently, this is empty.</p>
*
* @see ClientRMProtocol#getClusterNodes(GetClusterNodesRequest)
*/
@Public

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetClusterNodesResponse.java
View File

@ -29,7 +29,7 @@
/**
* <p>The response sent by the <code>ResourceManager</code> to a client
* requesting an {@link NodeReport} for all nodes.</p>
* requesting a {@link NodeReport} for all nodes.</p>
*
* <p>The <code>NodeReport</code> contains per-node information such as
* available resources, number of containers, tracking url, rack name, health

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetContainerStatusResponse.java
View File

@ -27,7 +27,7 @@
/**
* <p>The response sent by the <code>NodeManager</code> to the
* <code>ApplicationMaster</code> when asked to obtainer <em>status</em>
* <code>ApplicationMaster</code> when asked to obtain the <em>status</em>
* of a container.</p>
*
* @see ContainerManager#getContainerStatus(GetContainerStatusRequest)

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetNewApplicationRequest.java
View File

@ -27,6 +27,8 @@
* <p>The request sent by clients to get a new {@link ApplicationId} for
* submitting an application.</p>
*
* <p>Currently, this is empty.</p>
*
* @see ClientRMProtocol#getNewApplication(GetNewApplicationRequest)
*/
@Public

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetNewApplicationResponse.java
View File

@ -28,7 +28,7 @@
/**
* <p>The response sent by the <code>ResourceManager</code> to the client for
* a request to a new {@link ApplicationId} for submitting applications.</p>
* a request to get a new {@link ApplicationId} for submitting applications.</p>
*
* @see ClientRMProtocol#getNewApplication(GetNewApplicationRequest)
*/

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/GetQueueUserAclsInfoRequest.java
View File

@ -26,6 +26,8 @@
* <p>The request sent by clients to the <code>ResourceManager</code> to
* get queue acls for the <em>current user</em>.</p>
*
* <p>Currently, this is empty.</p>
*
* @see ClientRMProtocol#getQueueUserAcls(GetQueueUserAclsInfoRequest)
*/
@Public

42
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/StartContainerResponse.java
View File

@ -35,11 +35,53 @@
@Public
@Stable
public interface StartContainerResponse {
/**
* <p>Get the responses from all auxiliary services running on the
* <code>NodeManager</code>.</p>
* <p>The responses are returned as a Map between the auxiliary service names
* and their corresponding opaque blob <code>ByteBuffer</code>s</p>
* @return a Map between the auxiliary service names and their outputs
*/
Map<String, ByteBuffer> getAllServiceResponse();
/**
* Get the response from a single auxiliary service running on the
* <code>NodeManager</code>
*
* @param key The auxiliary service name whose response is desired.
* @return The opaque blob <code>ByteBuffer</code> returned by the auxiliary
* service.
*/
ByteBuffer getServiceResponse(String key);
/**
* Add to the list of auxiliary services which have been started on the
* <code>NodeManager</code>. This is done only once when the
* <code>NodeManager</code> starts up
* @param serviceResponse A map from auxiliary service names to the opaque
* blob <code>ByteBuffer</code>s for that auxiliary service
*/
void addAllServiceResponse(Map<String, ByteBuffer> serviceResponse);
/**
* Add to the list of auxiliary services which have been started on the
* <code>NodeManager</code>. This is done only once when the
* <code>NodeManager</code> starts up
*
* @param key The auxiliary service name
* @param value The opaque blob <code>ByteBuffer</code> managed by the
* auxiliary service
*/
void setServiceResponse(String key, ByteBuffer value);
/**
* Remove a single auxiliary service from the StartContainerResponse object
* @param key The auxiliary service to remove
*/
void removeServiceResponse(String key);
/**
* Remove all the auxiliary services from the StartContainerResponse object
*/
void clearServiceResponse();
}

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/StopContainerResponse.java
View File

@ -27,6 +27,8 @@
* <code>ApplicationMaster</code> when asked to <em>stop</em> an
* allocated container.</p>
*
* <p>Currently, this is empty.</p>
*
* @see ContainerManager#stopContainer(StopContainerRequest)
*/
@Public

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/SubmitApplicationResponse.java
View File

@ -26,6 +26,8 @@
* <p>The response sent by the <code>ResourceManager</code> to a client on
* application submission.</p>
*
* <p>Currently, this is empty.</p>
*
* @see ClientRMProtocol#submitApplication(SubmitApplicationRequest)
*/
@Public

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/AMResponse.java
View File

@ -35,7 +35,7 @@
* <ul>
* <li>Response ID to track duplicate responses.</li>
* <li>
* A reboot flag to let the <code>ApplicationMaster</code> that its
* A reboot flag to let the <code>ApplicationMaster</code> know that its
* horribly out of sync and needs to reboot.</li>
* <li>A list of newly allocated {@link Container}.</li>
* <li>A list of completed {@link Container}.</li>
@ -100,7 +100,7 @@ public interface AMResponse {
/**
* Get the <em>available headroom</em> for resources in the cluster for the
* application.
* @return limit available headroom for resources in the cluster for the
* @return limit of available headroom for resources in the cluster for the
* application
*/
@Public

3
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationReport.java
View File

@ -33,7 +33,7 @@
* <li>Applications user.</li>
* <li>Application queue.</li>
* <li>Application name.</li>
* <li>Host on which the <code>ApplicationMaster</code>is running.</li>
* <li>Host on which the <code>ApplicationMaster</code> is running.</li>
* <li>RPC port of the <code>ApplicationMaster</code>.</li>
* <li>Tracking URL.</li>
* <li>{@link YarnApplicationState} of the application.</li>
@ -215,6 +215,7 @@ public interface ApplicationReport {
/**
* Get the <em>final finish status</em> of the application.
* @return <em>final finish status</em> of the application
*/
@Public
@Stable

29
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationResourceUsageReport.java
View File

@ -33,22 +33,43 @@
@Public
@Stable
public interface ApplicationResourceUsageReport {
/**
* Get the number of used containers
* @return the number of used containers
*/
@Public
@Stable
int getNumUsedContainers();
/**
* Set the number of used containers
* @param num_containers the number of used containers
*/
@Private
@Unstable
void setNumUsedContainers(int num_containers);
/**
* Get the number of reserved containers
* @return the number of reserved containers
*/
@Public
@Stable
int getNumReservedContainers();
/**
* Set the number of reserved containers
* @param num_reserved_containers the number of reserved containers
*/
@Private
@Unstable
void setNumReservedContainers(int num_reserved_containers);
/**
* Get the used <code>Resource</code>
* @return the used <code>Resource</code>
*/
@Public
@Stable
Resource getUsedResources();
@ -57,6 +78,10 @@ public interface ApplicationResourceUsageReport {
@Unstable
void setUsedResources(Resource resources);
/**
* Get the reserved <code>Resource</code>
* @return the reserved <code>Resource</code>
*/
@Public
@Stable
Resource getReservedResources();
@ -65,6 +90,10 @@ public interface ApplicationResourceUsageReport {
@Unstable
void setReservedResources(Resource reserved_resources);
/**
* Get the needed <code>Resource</code>
* @return the needed <code>Resource</code>
*/
@Public
@Stable
Resource getNeededResources();

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationSubmissionContext.java
View File

@ -26,7 +26,7 @@
import org.apache.hadoop.yarn.api.ClientRMProtocol;
/**
* <p><code>ApplicationSubmissionContext</code> represents the all of the
* <p><code>ApplicationSubmissionContext</code> represents all of the
* information needed by the <code>ResourceManager</code> to launch
* the <code>ApplicationMaster</code> for an application.</p>
*

3
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/Container.java
View File

@ -38,8 +38,7 @@
* <ul>
* <li>{@link ContainerId} for the container, which is globally unique.</li>
* <li>
* {@link NodeId} of the node on which identifies the node on which it
* is allocated.
* {@link NodeId} of the node on which it is allocated.
* </li>
* <li>HTTP uri of the node.</li>
* <li>{@link Resource} allocated to the container.</li>

19
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ContainerLaunchContext.java
View File

@ -27,7 +27,7 @@
import org.apache.hadoop.yarn.api.ContainerManager;
/**
* <p><code>ContainerLaunchContext</code> represents the all of the information
* <p><code>ContainerLaunchContext</code> represents all of the information
* needed by the <code>NodeManager</code> to launch a container.</p>
*
* <p>It includes details such as:
@ -127,7 +127,8 @@ public interface ContainerLaunchContext {
Map<String, LocalResource> getLocalResources();
/**
* Set <code>LocalResource</code> required by the container.
* Set <code>LocalResource</code> required by the container. All pre-existing
* Map entries are cleared before adding the new Map
* @param localResources <code>LocalResource</code> required by the container
*/
@Public
@ -143,7 +144,8 @@ public interface ContainerLaunchContext {
Map<String, ByteBuffer> getServiceData();
/**
* Set application-specific binary <em>service data</em>.
* Set application-specific binary <em>service data</em>. All pre-existing Map
* entries are preserved.
* @param serviceData application-specific binary <em>service data</em>
*/
@Public
@ -159,7 +161,8 @@ public interface ContainerLaunchContext {
Map<String, String> getEnvironment();
/**
* Add <em>environment variables</em> for the container.
* Add <em>environment variables</em> for the container. All pre-existing Map
* entries are cleared before adding the new Map
* @param environment <em>environment variables</em> for the container
*/
@Public
@ -175,7 +178,8 @@ public interface ContainerLaunchContext {
List<String> getCommands();
/**
* Add the list of <em>commands</em> for launching the container.
* Add the list of <em>commands</em> for launching the container. All
* pre-existing List entries are cleared before adding the new List
* @param commands the list of <em>commands</em> for launching the container
*/
@Public
@ -191,8 +195,9 @@ public interface ContainerLaunchContext {
public Map<ApplicationAccessType, String> getApplicationACLs();
/**
* Set the <code>ApplicationACL</code>s for the application.
* @param acls
* Set the <code>ApplicationACL</code>s for the application. All pre-existing
* Map entries are cleared before adding the new Map
* @param acls <code>ApplicationACL</code>s for the application
*/
@Public
@Stable

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/NodeHealthStatus.java
View File

@ -35,8 +35,6 @@
* </li>
* <li>The previous time at which the health status was reported.</li>
* <li>A diagnostic report on the health status.</li>
* <li></li>
* <li></li>
* </ul>
* </p>
*

13
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/Priority.java
View File

@ -18,10 +18,23 @@
package org.apache.hadoop.yarn.api.records;
/**
* The priority assigned to a ResourceRequest or Application or Container
* allocation
*
*/
public interface Priority extends Comparable<Priority> {
/**
* Get the assigned priority
* @return the assigned priority
*/
public abstract int getPriority();
/**
* Set the assigned priority
* @param priority the assigned priority
*/
public abstract void setPriority(int priority);
}

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/QueueInfo.java
View File

@ -27,7 +27,7 @@
import org.apache.hadoop.yarn.api.ClientRMProtocol;
/**
* <p>QueueInfo</p> is a report of the runtime information of the queue.</p>
* <p>QueueInfo is a report of the runtime information of the queue.</p>
*
* <p>It includes information such as:
* <ul>

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java
View File

@ -93,7 +93,7 @@
* to inform the <code>ResourceManager</code> that it is up and alive. The {@link AMRMProtocol#allocate} to the
* <code>ResourceManager</code> from the <code>ApplicationMaster</code> acts as a heartbeat.
*
* <p> For the actual handling of the job, the <code>ApplicationMaster</code> has to request for the
* <p> For the actual handling of the job, the <code>ApplicationMaster</code> has to request the
* <code>ResourceManager</code> via {@link AllocateRequest} for the required no. of containers using {@link ResourceRequest}
* with the necessary resource specifications such as node location, computational (memory/disk/cpu) resource requirements.
* The <code>ResourceManager</code> responds with an {@link AllocateResponse} that informs the <code>ApplicationMaster</code>

10
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/HadoopYarnProtoRPC.java
View File

@ -37,12 +37,12 @@
*/
public class HadoopYarnProtoRPC extends YarnRPC {
private static final Log LOG = LogFactory.getLog(HadoopYarnRPC.class);
private static final Log LOG = LogFactory.getLog(HadoopYarnProtoRPC.class);
@Override
public Object getProxy(Class protocol, InetSocketAddress addr,
Configuration conf) {
LOG.info("Creating a HadoopYarnProtoRpc proxy for protocol " + protocol);
LOG.debug("Creating a HadoopYarnProtoRpc proxy for protocol " + protocol);
return RpcFactoryProvider.getClientFactory(conf).getClient(protocol, 1,
addr, conf);
}
@ -57,11 +57,11 @@ public Server getServer(Class protocol, Object instance,
InetSocketAddress addr, Configuration conf,
SecretManager<? extends TokenIdentifier> secretManager,
int numHandlers) {
LOG.info("Creating a HadoopYarnProtoRpc server for protocol " + protocol +
LOG.debug("Creating a HadoopYarnProtoRpc server for protocol " + protocol +
" with " + numHandlers + " handlers");
return RpcFactoryProvider.getServerFactory(conf).getServer(protocol, instance,
addr, conf, secretManager, numHandlers);
return RpcFactoryProvider.getServerFactory(conf).getServer(protocol,
instance, addr, conf, secretManager, numHandlers);
}

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/HadoopYarnRPC.java
View File

@ -45,7 +45,7 @@ public class HadoopYarnRPC extends YarnRPC {
@Override
public Object getProxy(Class protocol, InetSocketAddress addr,
Configuration conf) {
LOG.info("Creating a HadoopYarnRpc proxy for protocol " + protocol);
LOG.debug("Creating a HadoopYarnRpc proxy for protocol " + protocol);
RPC.setProtocolEngine(conf, protocol, AvroSpecificRpcEngine.class);
try {
return RPC.getProxy(protocol, 1, addr, conf);
@ -64,7 +64,7 @@ public Server getServer(Class protocol, Object instance,
InetSocketAddress addr, Configuration conf,
SecretManager<? extends TokenIdentifier> secretManager,
int numHandlers) {
LOG.info("Creating a HadoopYarnRpc server for protocol " + protocol +
LOG.debug("Creating a HadoopYarnRpc server for protocol " + protocol +
" with " + numHandlers + " handlers");
RPC.setProtocolEngine(conf, protocol, AvroSpecificRpcEngine.class);
final RPC.Server hadoopServer;

3
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/YarnRPC.java
View File

@ -46,7 +46,8 @@ public abstract Server getServer(Class protocol, Object instance,
int numHandlers);
public static YarnRPC create(Configuration conf) {
LOG.info("Creating YarnRPC for " + conf.get(YarnConfiguration.IPC_RPC_IMPL));
LOG.debug("Creating YarnRPC for " +
conf.get(YarnConfiguration.IPC_RPC_IMPL));
String clazzName = conf.get(YarnConfiguration.IPC_RPC_IMPL);
if (clazzName == null) {
clazzName = YarnConfiguration.DEFAULT_IPC_RPC_IMPL;

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/ApplicationTokenSelector.java
View File

@ -39,9 +39,9 @@ public Token<ApplicationTokenIdentifier> selectToken(Text service,
if (service == null) {
return null;
}
LOG.info("Looking for a token with service " + service.toString());
LOG.debug("Looking for a token with service " + service.toString());
for (Token<? extends TokenIdentifier> token : tokens) {
LOG.info("Token kind is " + token.getKind().toString()
LOG.debug("Token kind is " + token.getKind().toString()
+ " and the token's service name is " + token.getService());
if (ApplicationTokenIdentifier.KIND_NAME.equals(token.getKind())
&& service.equals(token.getService())) {

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/client/ClientTokenSelector.java
View File

@ -39,9 +39,9 @@ public Token<ClientTokenIdentifier> selectToken(Text service,
if (service == null) {
return null;
}
LOG.info("Looking for a token with service " + service.toString());
LOG.debug("Looking for a token with service " + service.toString());
for (Token<? extends TokenIdentifier> token : tokens) {
LOG.info("Token kind is " + token.getKind().toString()
LOG.debug("Token kind is " + token.getKind().toString()
+ " and the token's service name is " + token.getService());
if (ClientTokenIdentifier.KIND_NAME.equals(token.getKind())
&& service.equals(token.getService())) {

8
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/view/JQueryUI.java
View File

@ -79,11 +79,11 @@ public enum Render {
@Override
protected void render(Block html) {
html.
link(join("https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/themes/",
link(join("https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/themes/",
getTheme(), "/jquery-ui.css")).
link(root_url("static/dt-1.7.5/css/jui-dt.css")).
script("https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js").
script("https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/jquery-ui.min.js").
script("https://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js").
script("https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/jquery-ui.min.js").
script(root_url("static/dt-1.7.5/js/jquery.dataTables.min.js")).
script(root_url("static/yarn.dt.plugins.js")).
script(root_url("static/themeswitcher.js")).
@ -224,7 +224,7 @@ public static String initSelector(String name) {
}
public static StringBuilder tableInit() {
return new StringBuilder("{bJQueryUI:true, aaSorting:[], ").
return new StringBuilder("{bJQueryUI:true, ").
append("sPaginationType: 'full_numbers', iDisplayLength:20, ").
append("aLengthMenu:[20, 40, 60, 80, 100]");
}

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/AuxServices.java
View File

@ -68,7 +68,7 @@ Collection<AuxiliaryService> getServices() {
/**
* @return the meta data for all registered services, that have been started.
* If a service has not been started no metadata will be available. The key
* the the name of the service as defined in the configuration.
* is the name of the service as defined in the configuration.
*/
public Map<String, ByteBuffer> getMeta() {
Map<String, ByteBuffer> metaClone = new HashMap<String, ByteBuffer>(

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/AllApplicationsPage.java
View File

@ -51,6 +51,8 @@ public class AllApplicationsPage extends NMView {
private String appsTableInit() {
return tableInit().
// Sort by id upon page load
append(", aaSorting: [[0, 'asc']]").
// applicationid, applicationstate
append(", aoColumns:[null, null]} ").toString();
}

61
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApp.java
View File

@ -53,6 +53,14 @@
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerReservedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import com.google.common.collect.HashMultiset;
import com.google.common.collect.Multiset;
/**
* Represents an Application from the viewpoint of the scheduler.
* Each running Application in the RM corresponds to one instance
* of this class.
*/
public class SchedulerApp {
private static final Log LOG = LogFactory.getLog(SchedulerApp.class);
@ -76,11 +84,16 @@ public class SchedulerApp {
final Map<Priority, Map<NodeId, RMContainer>> reservedContainers =
new HashMap<Priority, Map<NodeId, RMContainer>>();
Map<Priority, Integer> schedulingOpportunities =
new HashMap<Priority, Integer>();
/**
* Count how many times the application has been given an opportunity
* to schedule a task at each priority. Each time the scheduler
* asks the application for a task at this priority, it is incremented,
* and each time the application successfully schedules a task, it
* is reset to 0.
*/
Multiset<Priority> schedulingOpportunities = HashMultiset.create();
Map<Priority, Integer> reReservations =
new HashMap<Priority, Integer>();
Multiset<Priority> reReservations = HashMultiset.create();
Resource currentReservation = recordFactory
.newRecordInstance(Resource.class);
@ -282,49 +295,33 @@ public synchronized RMContainer getRMContainer(ContainerId id) {
}
synchronized public void resetSchedulingOpportunities(Priority priority) {
this.schedulingOpportunities.put(priority, Integer.valueOf(0));
this.schedulingOpportunities.setCount(priority, 0);
}
synchronized public void addSchedulingOpportunity(Priority priority) {
Integer schedulingOpportunities =
this.schedulingOpportunities.get(priority);
if (schedulingOpportunities == null) {
schedulingOpportunities = 0;
}
++schedulingOpportunities;
this.schedulingOpportunities.put(priority, schedulingOpportunities);
this.schedulingOpportunities.setCount(priority,
schedulingOpportunities.count(priority) + 1);
}
/**
* Return the number of times the application has been given an opportunity
* to schedule a task at the given priority since the last time it
* successfully did so.
*/
synchronized public int getSchedulingOpportunities(Priority priority) {
Integer schedulingOpportunities =
this.schedulingOpportunities.get(priority);
if (schedulingOpportunities == null) {
schedulingOpportunities = 0;
this.schedulingOpportunities.put(priority, schedulingOpportunities);
}
return schedulingOpportunities;
return this.schedulingOpportunities.count(priority);
}
synchronized void resetReReservations(Priority priority) {
this.reReservations.put(priority, Integer.valueOf(0));
this.reReservations.setCount(priority, 0);
}
synchronized void addReReservation(Priority priority) {
Integer reReservations = this.reReservations.get(priority);
if (reReservations == null) {
reReservations = 0;
}
++reReservations;
this.reReservations.put(priority, reReservations);
this.reReservations.add(priority);
}
synchronized public int getReReservations(Priority priority) {
Integer reReservations = this.reReservations.get(priority);
if (reReservations == null) {
reReservations = 0;
this.reReservations.put(priority, reReservations);
}
return reReservations;
return this.reReservations.count(priority);
}
public synchronized int getNumReservedContainers(Priority priority) {

34
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CSQueueUtils.java Normal file
View File

@ -0,0 +1,34 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity;
class CSQueueUtils {
public static void checkMaxCapacity(String queueName,
float capacity, float maximumCapacity) {
if (maximumCapacity != CapacitySchedulerConfiguration.UNDEFINED &&
maximumCapacity < capacity) {
throw new IllegalArgumentException(
"Illegal call to setMaxCapacity. " +
"Queue '" + queueName + "' has " +
"capacity (" + capacity + ") greater than " +
"maximumCapacity (" + maximumCapacity + ")" );
}
}
}

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java
View File

@ -160,6 +160,10 @@ public int getMaximumCapacity(String queue) {
return maxCapacity;
}
public void setMaximumCapacity(String queue, int maxCapacity) {
setInt(getQueuePrefix(queue) + MAXIMUM_CAPACITY, maxCapacity);
}
public int getUserLimit(String queue) {
int userLimit =
getInt(getQueuePrefix(queue) + USER_LIMIT, DEFAULT_USER_LIMIT);

18
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
View File

@ -211,16 +211,19 @@ private int computeMaxActiveApplicationsPerUser(int maxActiveApplications,
private synchronized void setupQueueConfigs(
float capacity, float absoluteCapacity,
float maxCapacity, float absoluteMaxCapacity,
float maximumCapacity, float absoluteMaxCapacity,
int userLimit, float userLimitFactor,
int maxApplications, int maxApplicationsPerUser,
int maxActiveApplications, int maxActiveApplicationsPerUser,
QueueState state, Map<QueueACL, AccessControlList> acls)
{
// Sanity check
CSQueueUtils.checkMaxCapacity(getQueueName(), capacity, maximumCapacity);
this.capacity = capacity;
this.absoluteCapacity = parent.getAbsoluteCapacity() * capacity;
this.maximumCapacity = maxCapacity;
this.maximumCapacity = maximumCapacity;
this.absoluteMaxCapacity = absoluteMaxCapacity;
this.userLimit = userLimit;
@ -236,9 +239,9 @@ private synchronized void setupQueueConfigs(
this.acls = acls;
this.queueInfo.setCapacity(capacity);
this.queueInfo.setMaximumCapacity(maximumCapacity);
this.queueInfo.setQueueState(state);
this.queueInfo.setCapacity(this.capacity);
this.queueInfo.setMaximumCapacity(this.maximumCapacity);
this.queueInfo.setQueueState(this.state);
StringBuilder aclsString = new StringBuilder();
for (Map.Entry<QueueACL, AccessControlList> e : acls.entrySet()) {
@ -250,7 +253,7 @@ private synchronized void setupQueueConfigs(
" [= (float) configuredCapacity / 100 ]" + "\n" +
"asboluteCapacity = " + absoluteCapacity +
" [= parentAbsoluteCapacity * capacity ]" + "\n" +
"maxCapacity = " + maxCapacity +
"maxCapacity = " + maximumCapacity +
" [= configuredMaxCapacity ]" + "\n" +
"absoluteMaxCapacity = " + absoluteMaxCapacity +
" [= Float.MAX_VALUE if maximumCapacity undefined, " +
@ -394,6 +397,9 @@ synchronized void setUsedCapacity(float usedCapacity) {
* @param maximumCapacity new max capacity
*/
synchronized void setMaxCapacity(float maximumCapacity) {
// Sanity check
CSQueueUtils.checkMaxCapacity(getQueueName(), capacity, maximumCapacity);
this.maximumCapacity = maximumCapacity;
this.absoluteMaxCapacity =
(maximumCapacity == CapacitySchedulerConfiguration.UNDEFINED) ?

12
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/ParentQueue.java
View File

@ -153,6 +153,9 @@ private synchronized void setupQueueConfigs(
float maximumCapacity, float absoluteMaxCapacity,
QueueState state, Map<QueueACL, AccessControlList> acls
) {
// Sanity check
CSQueueUtils.checkMaxCapacity(getQueueName(), capacity, maximumCapacity);
this.capacity = capacity;
this.absoluteCapacity = absoluteCapacity;
this.maximumCapacity = maximumCapacity;
@ -162,9 +165,9 @@ private synchronized void setupQueueConfigs(
this.acls = acls;
this.queueInfo.setCapacity(capacity);
this.queueInfo.setMaximumCapacity(maximumCapacity);
this.queueInfo.setQueueState(state);
this.queueInfo.setCapacity(this.capacity);
this.queueInfo.setMaximumCapacity(this.maximumCapacity);
this.queueInfo.setQueueState(this.state);
StringBuilder aclsString = new StringBuilder();
for (Map.Entry<QueueACL, AccessControlList> e : acls.entrySet()) {
@ -484,6 +487,9 @@ synchronized void setUtilization(float utilization) {
* @param maximumCapacity new max capacity
*/
synchronized void setMaxCapacity(float maximumCapacity) {
// Sanity check
CSQueueUtils.checkMaxCapacity(getQueueName(), capacity, maximumCapacity);
this.maximumCapacity = maximumCapacity;
float parentAbsoluteCapacity =
(rootQueue) ? 100.0f : parent.getAbsoluteCapacity();

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RmView.java
View File

@ -61,6 +61,10 @@ private String appsTableInit() {
StringBuilder init = tableInit().
append(", aoColumns:[{sType:'title-numeric'}, null, null, null, null,").
append("null,{sType:'title-numeric', bSearchable:false}, null, null]");
// Sort by id upon page load
init.append(", aaSorting: [[0, 'asc']]");
String rows = $("rowlimit");
int rowLimit = rows.isEmpty() ? MAX_DISPLAY_ROWS : Integer.parseInt(rows);
if (list.apps.size() < rowLimit) {

47
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestQueueParsing.java
View File

@ -18,6 +18,8 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity;
import junit.framework.Assert;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
@ -35,7 +37,6 @@ public void testQueueParsing() throws Exception {
CapacityScheduler capacityScheduler = new CapacityScheduler();
capacityScheduler.reinitialize(conf, null, null);
//capacityScheduler.g
}
private void setupQueueConfiguration(CapacitySchedulerConfiguration conf) {
@ -104,4 +105,48 @@ public void testRootQueueParsing() throws Exception {
CapacityScheduler capacityScheduler = new CapacityScheduler();
capacityScheduler.reinitialize(conf, null, null);
}
public void testMaxCapacity() throws Exception {
CapacitySchedulerConfiguration conf = new CapacitySchedulerConfiguration();
conf.setQueues(CapacityScheduler.ROOT, new String[] {"a", "b", "c"});
conf.setCapacity(CapacityScheduler.ROOT, 100);
final String A = CapacityScheduler.ROOT + ".a";
conf.setCapacity(A, 50);
conf.setMaximumCapacity(A, 60);
final String B = CapacityScheduler.ROOT + ".b";
conf.setCapacity(B, 50);
conf.setMaximumCapacity(B, 45); // Should throw an exception
boolean fail = false;
CapacityScheduler capacityScheduler;
try {
capacityScheduler = new CapacityScheduler();
capacityScheduler.reinitialize(conf, null, null);
} catch (IllegalArgumentException iae) {
fail = true;
}
Assert.assertTrue("Didn't throw IllegalArgumentException for wrong maxCap",
fail);
conf.setMaximumCapacity(B, 60);
// Now this should work
capacityScheduler = new CapacityScheduler();
capacityScheduler.reinitialize(conf, null, null);
fail = false;
try {
LeafQueue a = (LeafQueue)capacityScheduler.getQueue(A);
a.setMaxCapacity(45);
} catch (IllegalArgumentException iae) {
fail = true;
}
Assert.assertTrue("Didn't throw IllegalArgumentException for wrong " +
"setMaxCap", fail);
}
}

18
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-site/src/site/apt/Federation.apt.vm
View File

@ -12,7 +12,7 @@
~~ limitations under the License. See accompanying LICENSE file.
---
Hadoop Map Reduce Next Generation-${project.version} - Cluster Setup
Hadoop Distributed File System-${project.version} - Federation
---
---
${maven.build.timestamp}
@ -57,12 +57,12 @@ HDFS Federation
* Storage - is provided by datanodes by storing blocks on the local file
system and allows read/write access.
The current HDFS architecture allows only a single namespace for the
The prior HDFS architecture allows only a single namespace for the
entire cluster. A single Namenode manages this namespace. HDFS
Federation addresses limitation of current architecture by adding
Federation addresses limitation of the prior architecture by adding
support multiple Namenodes/namespaces to HDFS file system.
* {HDFS Federation}
* {Multiple Namenodes/Namespaces}
In order to scale the name service horizontally, federation uses multiple
independent Namenodes/namespaces. The Namenodes are federated, that is, the
@ -103,9 +103,9 @@ HDFS Federation
of small files benefit from scaling the namespace by adding more
Namenodes to the cluster
* Performance - File system operation throughput is currently limited
by a single Namenode. Adding more Namenodes to the cluster scales the
file system read/write operations throughput.
* Performance - File system operation throughput is limited by a single
Namenode in the prior architecture. Adding more Namenodes to the cluster
scales the file system read/write operations throughput.
* Isolation - A single Namenode offers no isolation in multi user
environment. An experimental application can overload the Namenode
@ -265,7 +265,7 @@ HDFS Federation
> $HADOOP_PREFIX_HOME/bin/start-dfs.sh
----
To start the cluster run the following command:
To stop the cluster run the following command:
----
> $HADOOP_PREFIX_HOME/bin/stop-dfs.sh
@ -300,7 +300,7 @@ HDFS Federation
** Decommissioning
Decommissioning is similar to prior releases. The nodes that need to be
decommissioning are added to the exclude file at all the Namenode. Each
decomissioned are added to the exclude file at all the Namenode. Each
Namenode decommissions its Block Pool. When all the Namenodes finish
decommissioning a datanode, the datanode is considered to be decommissioned.

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4
hadoop-mapreduce-project/src/contrib/gridmix/ivy.xml
View File

@ -64,6 +64,10 @@
rev="${yarn.version}" conf="common->default"/>
<dependency org="org.apache.hadoop" name="hadoop-yarn-common"
rev="${yarn.version}" conf="common->default"/>
<dependency org="org.apache.hadoop" name="hadoop-mapreduce-client-jobclient"
rev="${yarn.version}" conf="test->default">
<artifact name="hadoop-mapreduce-client-jobclient" type="tests" ext="jar" m:classifier="tests"/>
</dependency>
<dependency org="commons-logging"
name="commons-logging"
rev="${commons-logging.version}"

52
hadoop-mapreduce-project/src/contrib/streaming/build.xml
View File

@ -1,52 +0,0 @@
<?xml version="1.0"?>
<!--
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<!--
Before you can run these subtargets directly, you need
to call at top-level: ant deploy-contrib compile-core-test
-->
<project name="streaming" default="jar">
<import file="../build-contrib.xml"/>
<!-- Override jar target to specify main class -->
<target name="jar" depends="compile">
<jar
jarfile="${build.dir}/hadoop-${version}-${name}.jar"
basedir="${build.classes}"
>
<manifest>
<attribute name="Main-Class" value="org.apache.hadoop.streaming.HadoopStreaming"/>
</manifest>
</jar>
</target>
<!-- Run all unit tests. superdottest -->
<target name="test">
<antcall target="hadoopbuildcontrib.test">
</antcall>
</target>
<!--Run all system tests.-->
<target name="test-system">
<antcall target="hadoopbuildcontrib.test-system">
</antcall>
</target>
</project>

98
hadoop-mapreduce-project/src/contrib/streaming/ivy.xml
View File

@ -1,98 +0,0 @@
<?xml version="1.0" ?>
<!--
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<ivy-module version="1.0" xmlns:m="http://ant.apache.org/ivy/maven">
<info organisation="org.apache.hadoop" module="${ant.project.name}">
<license name="Apache 2.0"/>
<ivyauthor name="Apache Hadoop Team" url="http://hadoop.apache.org"/>
<description>
Apache Hadoop
</description>
</info>
<configurations defaultconfmapping="default">
<!--these match the Maven configurations-->
<conf name="default" extends="master,runtime"/>
<conf name="master" description="contains the artifact but no dependencies"/>
<conf name="runtime" description="runtime but not the artifact" />
<conf name="common" visibility="private"
extends="runtime"
description="artifacts needed to compile/test the application"/>
<conf name="test" visibility="private" extends="runtime"/>
</configurations>
<publications>
<!--get the artifact from our module name-->
<artifact conf="master"/>
</publications>
<dependencies>
<dependency org="org.apache.hadoop" name="hadoop-annotations" rev="${hadoop-common.version}" conf="common->default"/>
<dependency org="org.apache.hadoop" name="hadoop-common"
rev="${hadoop-common.version}" conf="common->default"/>
<dependency org="org.apache.hadoop" name="hadoop-common"
rev="${hadoop-common.version}" conf="test->default">
<artifact name="hadoop-common" type="tests" ext="jar" m:classifier="tests"/>
</dependency>
<dependency org="org.apache.hadoop" name="hadoop-hdfs"
rev="${hadoop-hdfs.version}" conf="common->default"/>
<dependency org="org.apache.hadoop" name="hadoop-hdfs"
rev="${hadoop-hdfs.version}" conf="test->default">
<artifact name="hadoop-hdfs" type="tests" ext="jar" m:classifier="tests"/>
</dependency>
<dependency org="org.apache.hadoop" name="hadoop-mapreduce-client-core"
rev="${yarn.version}" conf="common->default"/>
<dependency org="org.apache.hadoop" name="hadoop-yarn-common"
rev="${yarn.version}" conf="common->default"/>
<dependency org="commons-cli" name="commons-cli"
rev="${commons-cli.version}" conf="common->default"/>
<dependency org="commons-logging" name="commons-logging"
rev="${commons-logging.version}" conf="common->default"/>
<dependency org="junit" name="junit"
rev="${junit.version}" conf="common->default"/>
<dependency org="org.mortbay.jetty" name="jetty-util"
rev="${jetty-util.version}" conf="common->master"/>
<dependency org="org.mortbay.jetty" name="jetty"
rev="${jetty.version}" conf="common->master"/>
<dependency org="org.mortbay.jetty" name="jsp-api-2.1"
rev="${jetty.version}" conf="common->master"/>
<dependency org="org.mortbay.jetty" name="jsp-2.1"
rev="${jetty.version}" conf="common->master"/>
<dependency org="org.mortbay.jetty" name="servlet-api-2.5"
rev="${servlet-api-2.5.version}" conf="common->master"/>
<dependency org="commons-httpclient" name="commons-httpclient"
rev="${commons-httpclient.version}" conf="common->default"/>
<dependency org="log4j" name="log4j"
rev="${log4j.version}" conf="common->master"/>
<dependency org="org.apache.avro" name="avro"
rev="${avro.version}" conf="common->default">
<exclude module="ant"/>
<exclude module="jetty"/>
<exclude module="slf4j-simple"/>
</dependency>
<dependency org="org.slf4j" name="slf4j-api"
rev="${slf4j-api.version}" conf="common->master"/>
<!-- Exclusions for transitive dependencies pulled in by log4j -->
<exclude org="com.sun.jdmk"/>
<exclude org="com.sun.jmx"/>
<exclude org="javax.jms"/>
<exclude org="javax.mail"/>
</dependencies>
</ivy-module>

17
hadoop-mapreduce-project/src/contrib/streaming/ivy/libraries.properties
View File

@ -1,17 +0,0 @@
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#This properties file lists the versions of the various artifacts used by streaming.
#It drives ivy and the generation of a maven POM
#Please list the dependencies name with version if they are different from the ones
#listed in the global libraries.properties file (in alphabetical order)

6
hadoop-mapreduce-project/src/docs/changes/changes2html.pl
View File

@ -242,7 +242,11 @@
$item =~ s:\s*(\([^)"]+?\))\s*$:<br />$1:; # Separate attribution
$item =~ s:\n{2,}:\n<p/>\n:g; # Keep paragraph breaks
$item =~ s{(?:${jira_url_prefix})?(HADOOP-\d+)} # Link to JIRA
$item =~ s{(?:${jira_url_prefix})?(HADOOP-\d+)} # Link to JIRA Common
{<a href="${jira_url_prefix}$1">$1</a>}g;
$item =~ s{(?:${jira_url_prefix})?(HDFS-\d+)} # Link to JIRA Hdfs
{<a href="${jira_url_prefix}$1">$1</a>}g;
$item =~ s{(?:${jira_url_prefix})?(MAPREDUCE-\d+)} # Link to JIRA MR
{<a href="${jira_url_prefix}$1">$1</a>}g;
print " <li>$item</li>\n";
}

4
hadoop-mapreduce-project/src/docs/src/documentation/content/xdocs/mapred_tutorial.xml
View File

@ -2060,9 +2060,7 @@
<p>Hadoop comes configured with a single mandatory queue, called
'default'. Queue names are defined in the
<code>mapred.queue.names</code> property of the Hadoop site
configuration. Some job schedulers, such as the
<a href="capacity_scheduler.html">Capacity Scheduler</a>,
support multiple queues.</p>
configuration.</p>
<p>A job defines the queue it needs to be submitted to through the
<code>mapreduce.job.queuename</code> property.

1
hadoop-mapreduce-project/src/webapps/job/analysejobhistory.jsp
View File

@ -35,6 +35,7 @@
%>
<%! private static final long serialVersionUID = 1L;
%>
<!DOCTYPE html>
<html><body>
<%
String logFile = request.getParameter("logFile");

1
hadoop-mapreduce-project/src/webapps/job/job_authorization_error.jsp
View File

@ -28,6 +28,7 @@
<%! private static final long serialVersionUID = 1L;
%>
<!DOCTYPE html>
<html>
<head>
<title>Error: User cannot access this Job</title>

1
hadoop-mapreduce-project/src/webapps/job/jobblacklistedtrackers.jsp
View File

@ -74,6 +74,7 @@
}
%>
<!DOCTYPE html>
<html>
<title>Hadoop <%=jobId%>'s black-listed tasktrackers</title>
<body>

2
hadoop-mapreduce-project/src/webapps/job/jobconf.jsp
View File

@ -39,7 +39,7 @@
return;
}
%>
<!DOCTYPE html>
<html>
<title>Job Configuration: JobId - <%= jobId %></title>

1
hadoop-mapreduce-project/src/webapps/job/jobconf_history.jsp
View File

@ -49,6 +49,7 @@
%>
<!DOCTYPE html>
<html>
<title>Job Configuration: JobId - <%= jobId %></title>

1
hadoop-mapreduce-project/src/webapps/job/jobdetails.jsp
View File

@ -267,6 +267,7 @@
%>
<%@page import="org.apache.hadoop.mapred.TaskGraphServlet"%>
<!DOCTYPE html>
<html>
<head>
<%

1
hadoop-mapreduce-project/src/webapps/job/jobdetailshistory.jsp
View File

@ -60,6 +60,7 @@
reasonforFailure = job.getErrorInfo();
%>
<!DOCTYPE html>
<html>
<head>
<title>Hadoop Job <%=jobid%> on History Viewer</title>

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