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Merge trunk into HA branch.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1234087 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2012-01-20 19:30:53 +00:00
commit 2abe5c818d
21 changed files with 133 additions and 38 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -279,6 +279,9 @@ Release 0.23.1 - Unreleased
HADOOP-7971. Adding back job/pipes/queue commands to bin/hadoop for
backward compatibility. (Prashath Sharma via acmurthy)
HADOOP-7982. UserGroupInformation fails to login if thread's context
classloader can't load HadoopLoginModule. (todd)
Release 0.23.0 - 2011-11-01
INCOMPATIBLE CHANGES

12
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java
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@ -416,7 +416,17 @@ public AppConfigurationEntry[] getAppConfigurationEntry(String appName) {
private static LoginContext
newLoginContext(String appName, Subject subject) throws LoginException {
return new LoginContext(appName, subject, null, new HadoopConfiguration());
// Temporarily switch the thread's ContextClassLoader to match this
// class's classloader, so that we can properly load HadoopLoginModule
// from the JAAS libraries.
Thread t = Thread.currentThread();
ClassLoader oldCCL = t.getContextClassLoader();
t.setContextClassLoader(HadoopLoginModule.class.getClassLoader());
try {
return new LoginContext(appName, subject, null, new HadoopConfiguration());
} finally {
t.setContextClassLoader(oldCCL);
}
}
private LoginContext getLogin() {

8
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -169,6 +169,9 @@ Trunk (unreleased changes)
HDFS-2776. Missing interface annotation on JournalSet.
(Brandon Li via jitendra)
HDFS-2768. BackupNode stop can not close proxy connections because
it is not a proxy instance. (Uma Maheswara Rao G via eli)
Release 0.23.1 - UNRELEASED
INCOMPATIBLE CHANGES
@ -335,6 +338,11 @@ Release 0.23.1 - UNRELEASED
HDFS-2790. FSNamesystem.setTimes throws exception with wrong
configuration name in the message. (Arpit Gupta via eli)
HDFS-2810. Leases not getting renewed properly by clients (todd)
HDFS-2751. Datanode may incorrectly drop OS cache behind reads
even for short reads. (todd)
Release 0.23.0 - 2011-11-01
INCOMPATIBLE CHANGES

10
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
View File

@ -404,11 +404,17 @@ boolean isClientRunning() {
return clientRunning;
}
/** Renew leases */
void renewLease() throws IOException {
/**
* Renew leases.
* @return true if lease was renewed. May return false if this
* client has been closed or has no files open.
**/
boolean renewLease() throws IOException {
if (clientRunning && !isFilesBeingWrittenEmpty()) {
namenode.renewLease(clientName);
return true;
}
return false;
}
/**

10
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/LeaseRenewer.java
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@ -67,7 +67,7 @@
* </p>
*/
class LeaseRenewer {
private static final Log LOG = LogFactory.getLog(LeaseRenewer.class);
static final Log LOG = LogFactory.getLog(LeaseRenewer.class);
static final long LEASE_RENEWER_GRACE_DEFAULT = 60*1000L;
static final long LEASE_RENEWER_SLEEP_DEFAULT = 1000L;
@ -407,7 +407,13 @@ public int compare(final DFSClient left, final DFSClient right) {
final DFSClient c = copies.get(i);
//skip if current client name is the same as the previous name.
if (!c.getClientName().equals(previousName)) {
c.renewLease();
if (!c.renewLease()) {
if (LOG.isDebugEnabled()) {
LOG.debug("Did not renew lease for client " +
c);
}
continue;
}
previousName = c.getClientName();
if (LOG.isDebugEnabled()) {
LOG.debug("Lease renewed for client " + previousName);

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockSender.java
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@ -315,7 +315,7 @@ class BlockSender implements java.io.Closeable {
* close opened files.
*/
public void close() throws IOException {
if (blockInFd != null && shouldDropCacheBehindRead) {
if (blockInFd != null && shouldDropCacheBehindRead && isLongRead()) {
// drop the last few MB of the file from cache
try {
NativeIO.posixFadviseIfPossible(

5
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/BackupNode.java
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@ -41,6 +41,7 @@
import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol;
import org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration;
import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.ipc.RPC;
import org.apache.hadoop.ipc.StandbyException;
import org.apache.hadoop.net.NetUtils;
@ -70,7 +71,7 @@ public class BackupNode extends NameNode {
private static final String BN_SERVICE_RPC_ADDRESS_KEY = DFSConfigKeys.DFS_NAMENODE_BACKUP_SERVICE_RPC_ADDRESS_KEY;
/** Name-node proxy */
NamenodeProtocol namenode;
NamenodeProtocolTranslatorPB namenode;
/** Name-node RPC address */
String nnRpcAddress;
/** Name-node HTTP address */
@ -191,7 +192,7 @@ public void stop() {
}
// Stop the RPC client
if (namenode != null) {
RPC.stopProxy(namenode);
IOUtils.cleanup(LOG, namenode);
}
namenode = null;
// Stop the checkpoint manager

9
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EditLogBackupOutputStream.java
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@ -24,10 +24,9 @@
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.protocolPB.JournalProtocolTranslatorPB;
import org.apache.hadoop.hdfs.server.common.Storage;
import org.apache.hadoop.hdfs.server.protocol.JournalProtocol;
import org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration;
import org.apache.hadoop.io.DataOutputBuffer;
import org.apache.hadoop.ipc.RPC;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.net.NetUtils;
/**
@ -41,7 +40,7 @@
class EditLogBackupOutputStream extends EditLogOutputStream {
static int DEFAULT_BUFFER_SIZE = 256;
private JournalProtocol backupNode; // RPC proxy to backup node
private JournalProtocolTranslatorPB backupNode; // RPC proxy to backup node
private NamenodeRegistration bnRegistration; // backup node registration
private NamenodeRegistration nnRegistration; // active node registration
private EditsDoubleBuffer doubleBuf;
@ -94,14 +93,14 @@ public void close() throws IOException {
throw new IOException("BackupEditStream has " + size +
" records still to be flushed and cannot be closed.");
}
RPC.stopProxy(backupNode); // stop the RPC threads
IOUtils.cleanup(Storage.LOG, backupNode); // stop the RPC threads
doubleBuf.close();
doubleBuf = null;
}
@Override
public void abort() throws IOException {
RPC.stopProxy(backupNode);
IOUtils.cleanup(Storage.LOG, backupNode);
doubleBuf = null;
}

81
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestLeaseRenewer.java
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@ -17,11 +17,14 @@
*/
package org.apache.hadoop.hdfs;
import static org.junit.Assert.*;
import java.io.IOException;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.test.GenericTestUtils;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
@ -29,6 +32,8 @@
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import com.google.common.base.Supplier;
public class TestLeaseRenewer {
private String FAKE_AUTHORITY="hdfs://nn1/";
private UserGroupInformation FAKE_UGI_A =
@ -46,19 +51,24 @@ public class TestLeaseRenewer {
@Before
public void setupMocksAndRenewer() throws IOException {
MOCK_DFSCLIENT = Mockito.mock(DFSClient.class);
Mockito.doReturn(true)
.when(MOCK_DFSCLIENT).isClientRunning();
Mockito.doReturn((int)FAST_GRACE_PERIOD)
.when(MOCK_DFSCLIENT).getHdfsTimeout();
Mockito.doReturn("myclient")
.when(MOCK_DFSCLIENT).getClientName();
MOCK_DFSCLIENT = createMockClient();
renewer = LeaseRenewer.getInstance(
FAKE_AUTHORITY, FAKE_UGI_A, MOCK_DFSCLIENT);
renewer.setGraceSleepPeriod(FAST_GRACE_PERIOD);
}
private DFSClient createMockClient() {
DFSClient mock = Mockito.mock(DFSClient.class);
Mockito.doReturn(true)
.when(mock).isClientRunning();
Mockito.doReturn((int)FAST_GRACE_PERIOD)
.when(mock).getHdfsTimeout();
Mockito.doReturn("myclient")
.when(mock).getClientName();
return mock;
}
@Test
public void testInstanceSharing() throws IOException {
// Two lease renewers with the same UGI should return
@ -93,11 +103,11 @@ public void testClientName() throws IOException {
public void testRenewal() throws Exception {
// Keep track of how many times the lease gets renewed
final AtomicInteger leaseRenewalCount = new AtomicInteger();
Mockito.doAnswer(new Answer<Void>() {
Mockito.doAnswer(new Answer<Boolean>() {
@Override
public Void answer(InvocationOnMock invocation) throws Throwable {
public Boolean answer(InvocationOnMock invocation) throws Throwable {
leaseRenewalCount.incrementAndGet();
return null;
return true;
}
}).when(MOCK_DFSCLIENT).renewLease();
@ -120,6 +130,57 @@ public Void answer(InvocationOnMock invocation) throws Throwable {
renewer.closeFile(filePath, MOCK_DFSCLIENT);
}
/**
* Regression test for HDFS-2810. In this bug, the LeaseRenewer has handles
* to several DFSClients with the same name, the first of which has no files
* open. Previously, this was causing the lease to not get renewed.
*/
@Test
public void testManyDfsClientsWhereSomeNotOpen() throws Exception {
// First DFSClient has no files open so doesn't renew leases.
final DFSClient mockClient1 = createMockClient();
Mockito.doReturn(false).when(mockClient1).renewLease();
assertSame(renewer, LeaseRenewer.getInstance(
FAKE_AUTHORITY, FAKE_UGI_A, mockClient1));
// Set up a file so that we start renewing our lease.
DFSOutputStream mockStream1 = Mockito.mock(DFSOutputStream.class);
String filePath = "/foo";
renewer.put(filePath, mockStream1, mockClient1);
// Second DFSClient does renew lease
final DFSClient mockClient2 = createMockClient();
Mockito.doReturn(true).when(mockClient2).renewLease();
assertSame(renewer, LeaseRenewer.getInstance(
FAKE_AUTHORITY, FAKE_UGI_A, mockClient2));
// Set up a file so that we start renewing our lease.
DFSOutputStream mockStream2 = Mockito.mock(DFSOutputStream.class);
renewer.put(filePath, mockStream2, mockClient2);
// Wait for lease to get renewed
GenericTestUtils.waitFor(new Supplier<Boolean>() {
@Override
public Boolean get() {
try {
Mockito.verify(mockClient1, Mockito.atLeastOnce()).renewLease();
Mockito.verify(mockClient2, Mockito.atLeastOnce()).renewLease();
return true;
} catch (AssertionError err) {
LeaseRenewer.LOG.warn("Not yet satisfied", err);
return false;
} catch (IOException e) {
// should not throw!
throw new RuntimeException(e);
}
}
}, 100, 10000);
renewer.closeFile(filePath, mockClient1);
renewer.closeFile(filePath, mockClient2);
}
@Test
public void testThreadName() throws Exception {
DFSOutputStream mockStream = Mockito.mock(DFSOutputStream.class);

2
hadoop-mapreduce-project/CHANGES.txt
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@ -187,6 +187,8 @@ Release 0.23.1 - Unreleased
assign only one off-switch container in a single scheduling
iteration. (Arun C Murthy via vinodkv)
MAPREDUCE-3692. yarn-resourcemanager out and log files can get big. (eli)
OPTIMIZATIONS
MAPREDUCE-3567. Extraneous JobConf objects in AM heap. (Vinod Kumar

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/JobImpl.java
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@ -632,7 +632,7 @@ protected void scheduleTasks(Set<TaskId> taskIDs) {
* The only entry point to change the Job.
*/
public void handle(JobEvent event) {
LOG.info("Processing " + event.getJobId() + " of type " + event.getType());
LOG.debug("Processing " + event.getJobId() + " of type " + event.getType());
try {
writeLock.lock();
JobState oldState = getState();

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.java
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@ -537,7 +537,7 @@ private void addAndScheduleAttempt() {
@Override
public void handle(TaskEvent event) {
LOG.info("Processing " + event.getTaskID() + " of type " + event.getType());
LOG.debug("Processing " + event.getTaskID() + " of type " + event.getType());
try {
writeLock.lock();
TaskState oldState = getState();

5
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/ProtoOverHadoopRpcEngine.java
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@ -315,11 +315,10 @@ public Writable call(RpcKind rpcKind, String protocol,
ProtoSpecificRequestWritable request = (ProtoSpecificRequestWritable) writableRequest;
ProtoSpecificRpcRequest rpcRequest = request.message;
String methodName = rpcRequest.getMethodName();
System.out.println("Call: protocol=" + protocol + ", method="
+ methodName);
if (verbose)
if (verbose) {
log("Call: protocol=" + protocol + ", method="
+ methodName);
}
MethodDescriptor methodDescriptor = service.getDescriptorForType()
.findMethodByName(methodName);
if (methodDescriptor == null) {

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

@ -373,7 +373,7 @@ public void handle(ApplicationEvent event) {
try {
ApplicationId applicationID = event.getApplicationID();
LOG.info("Processing " + applicationID + " of type " + event.getType());
LOG.debug("Processing " + applicationID + " of type " + event.getType());
ApplicationState oldState = stateMachine.getCurrentState();
ApplicationState newState = null;

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/ContainerImpl.java
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@ -811,7 +811,7 @@ public void handle(ContainerEvent event) {
this.writeLock.lock();
ContainerId containerID = event.getContainerID();
LOG.info("Processing " + containerID + " of type " + event.getType());
LOG.debug("Processing " + containerID + " of type " + event.getType());
ContainerState oldState = stateMachine.getCurrentState();
ContainerState newState = null;

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/LocalizedResource.java
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@ -181,7 +181,7 @@ public void handle(ResourceEvent event) {
this.writeLock.lock();
Path resourcePath = event.getLocalResourceRequest().getPath();
LOG.info("Processing " + resourcePath + " of type " + event.getType());
LOG.debug("Processing " + resourcePath + " of type " + event.getType());
ResourceState oldState = this.stateMachine.getCurrentState();
ResourceState newState = null;

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
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@ -413,7 +413,7 @@ public void handle(RMAppEvent event) {
try {
ApplicationId appID = event.getApplicationId();
LOG.info("Processing event for " + appID + " of type "
LOG.debug("Processing event for " + appID + " of type "
+ event.getType());
final RMAppState oldState = getState();
try {

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
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@ -468,7 +468,7 @@ public void handle(RMAppAttemptEvent event) {
try {
ApplicationAttemptId appAttemptID = event.getApplicationAttemptId();
LOG.info("Processing event for " + appAttemptID + " of type "
LOG.debug("Processing event for " + appAttemptID + " of type "
+ event.getType());
final RMAppAttemptState oldState = getAppAttemptState();
try {

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainerImpl.java
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@ -192,7 +192,7 @@ public Priority getReservedPriority() {
@Override
public void handle(RMContainerEvent event) {
LOG.info("Processing " + event.getContainerId() + " of type " + event.getType());
LOG.debug("Processing " + event.getContainerId() + " of type " + event.getType());
try {
writeLock.lock();
RMContainerState oldState = getState();

2
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNodeImpl.java
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@ -283,7 +283,7 @@ public HeartbeatResponse getLastHeartBeatResponse() {
}
public void handle(RMNodeEvent event) {
LOG.info("Processing " + event.getNodeId() + " of type " + event.getType());
LOG.debug("Processing " + event.getNodeId() + " of type " + event.getType());
try {
writeLock.lock();
RMNodeState oldState = getState();

4
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java
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@ -575,12 +575,12 @@ private synchronized void nodeUpdate(RMNode rmNode,
if (Resources.greaterThanOrEqual(node.getAvailableResource(),
minimumAllocation)) {
LOG.info("Node heartbeat " + rmNode.getNodeID() +
LOG.debug("Node heartbeat " + rmNode.getNodeID() +
" available resource = " + node.getAvailableResource());
assignContainers(node);
LOG.info("Node after allocation " + rmNode.getNodeID() + " resource = "
LOG.debug("Node after allocation " + rmNode.getNodeID() + " resource = "
+ node.getAvailableResource());
}