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YARN-470. Support a way to disable resource monitoring on the NodeManager. Contributed by Siddharth Seth.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1460001 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hitesh Shah 2013-03-22 21:28:31 +00:00
parent b8c74a8a25
commit b15b44e722
12 changed files with 223 additions and 59 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -121,6 +121,9 @@ Release 2.0.5-beta - UNRELEASED
YARN-485. TestProcfsProcessTree#testProcessTree() doesn't wait long enough
for the process to die. (kkambatl via tucu)
YARN-470. Support a way to disable resource monitoring on the NodeManager.
(Siddharth Seth via hitesh)
Release 2.0.4-alpha - UNRELEASED

10
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
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@ -437,6 +437,16 @@ public class YarnConfiguration extends Configuration {
public static final String NM_PMEM_MB = NM_PREFIX + "resource.memory-mb";
public static final int DEFAULT_NM_PMEM_MB = 8 * 1024;
/** Specifies whether physical memory check is enabled. */
public static final String NM_PMEM_CHECK_ENABLED = NM_PREFIX
+ "pmem-check-enabled";
public static final boolean DEFAULT_NM_PMEM_CHECK_ENABLED = true;
/** Specifies whether physical memory check is enabled. */
public static final String NM_VMEM_CHECK_ENABLED = NM_PREFIX
+ "vmem-check-enabled";
public static final boolean DEFAULT_NM_VMEM_CHECK_ENABLED = true;
/** Conversion ratio for physical memory to virtual memory. */
public static final String NM_VMEM_PMEM_RATIO =
NM_PREFIX + "vmem-pmem-ratio";

14
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
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@ -447,6 +447,20 @@
<value>8192</value>
</property>
<property>
<description>Whether physical memory limits will be enforced for
containers.</description>
<name>yarn.nodemanager.pmem-check-enabled</name>
<value>true</value>
</property>
<property>
<description>Whether virtual memory limits will be enforced for
containers.</description>
<name>yarn.nodemanager.vmem-check-enabled</name>
<value>true</value>
</property>
<property>
<description>Ratio between virtual memory to physical memory when
setting memory limits for containers. Container allocations are

4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/ResourceView.java
View File

@ -22,5 +22,9 @@ public interface ResourceView {
long getVmemAllocatedForContainers();
boolean isVmemCheckEnabled();
long getPmemAllocatedForContainers();
boolean isPmemCheckEnabled();
}

127
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/monitor/ContainersMonitorImpl.java
View File

@ -63,14 +63,13 @@ public class ContainersMonitorImpl extends AbstractService implements
private Configuration conf;
private Class<? extends ResourceCalculatorProcessTree> processTreeClass;
private long maxVmemAllottedForContainers = DISABLED_MEMORY_LIMIT;
private long maxPmemAllottedForContainers = DISABLED_MEMORY_LIMIT;
private long maxVmemAllottedForContainers = UNKNOWN_MEMORY_LIMIT;
private long maxPmemAllottedForContainers = UNKNOWN_MEMORY_LIMIT;
/**
* A value which if set for memory related configuration options, indicates
* that the options are turned off.
*/
public static final long DISABLED_MEMORY_LIMIT = -1L;
private boolean pmemCheckEnabled;
private boolean vmemCheckEnabled;
private static final long UNKNOWN_MEMORY_LIMIT = -1L;
public ContainersMonitorImpl(ContainerExecutor exec,
AsyncDispatcher dispatcher, Context context) {
@ -104,65 +103,57 @@ public synchronized void init(Configuration conf) {
LOG.info(" Using ResourceCalculatorProcessTree : "
+ this.processTreeClass);
long totalPhysicalMemoryOnNM = DISABLED_MEMORY_LIMIT;
if (this.resourceCalculatorPlugin != null) {
totalPhysicalMemoryOnNM =
this.resourceCalculatorPlugin.getPhysicalMemorySize();
if (totalPhysicalMemoryOnNM <= 0) {
LOG.warn("NodeManager's totalPmem could not be calculated. "
+ "Setting it to " + DISABLED_MEMORY_LIMIT);
totalPhysicalMemoryOnNM = DISABLED_MEMORY_LIMIT;
}
}
long configuredPMemForContainers = conf.getLong(
YarnConfiguration.NM_PMEM_MB,
YarnConfiguration.DEFAULT_NM_PMEM_MB) * 1024 * 1024l;
// Setting these irrespective of whether checks are enabled. Required in
// the UI.
// ///////// Physical memory configuration //////
this.maxPmemAllottedForContainers =
conf.getLong(YarnConfiguration.NM_PMEM_MB, YarnConfiguration.DEFAULT_NM_PMEM_MB);
this.maxPmemAllottedForContainers =
this.maxPmemAllottedForContainers * 1024 * 1024L; //Normalize to bytes
if (totalPhysicalMemoryOnNM != DISABLED_MEMORY_LIMIT &&
this.maxPmemAllottedForContainers >
totalPhysicalMemoryOnNM * 0.80f) {
LOG.warn("NodeManager configured with " +
TraditionalBinaryPrefix.long2String(maxPmemAllottedForContainers, "", 1) +
" physical memory allocated to containers, which is more than " +
"80% of the total physical memory available (" +
TraditionalBinaryPrefix.long2String(totalPhysicalMemoryOnNM, "", 1) +
"). Thrashing might happen.");
}
this.maxPmemAllottedForContainers = configuredPMemForContainers;
// ///////// Virtual memory configuration //////
float vmemRatio = conf.getFloat(
YarnConfiguration.NM_VMEM_PMEM_RATIO,
float vmemRatio = conf.getFloat(YarnConfiguration.NM_VMEM_PMEM_RATIO,
YarnConfiguration.DEFAULT_NM_VMEM_PMEM_RATIO);
Preconditions.checkArgument(vmemRatio > 0.99f,
YarnConfiguration.NM_VMEM_PMEM_RATIO +
" should be at least 1.0");
YarnConfiguration.NM_VMEM_PMEM_RATIO + " should be at least 1.0");
this.maxVmemAllottedForContainers =
(long)(vmemRatio * maxPmemAllottedForContainers);
(long) (vmemRatio * configuredPMemForContainers);
pmemCheckEnabled = conf.getBoolean(YarnConfiguration.NM_PMEM_CHECK_ENABLED,
YarnConfiguration.DEFAULT_NM_PMEM_CHECK_ENABLED);
vmemCheckEnabled = conf.getBoolean(YarnConfiguration.NM_VMEM_CHECK_ENABLED,
YarnConfiguration.DEFAULT_NM_VMEM_CHECK_ENABLED);
LOG.info("Physical memory check enabled: " + pmemCheckEnabled);
LOG.info("Virtual memory check enabled: " + vmemCheckEnabled);
if (pmemCheckEnabled) {
// Logging if actual pmem cannot be determined.
long totalPhysicalMemoryOnNM = UNKNOWN_MEMORY_LIMIT;
if (this.resourceCalculatorPlugin != null) {
totalPhysicalMemoryOnNM = this.resourceCalculatorPlugin
.getPhysicalMemorySize();
if (totalPhysicalMemoryOnNM <= 0) {
LOG.warn("NodeManager's totalPmem could not be calculated. "
+ "Setting it to " + UNKNOWN_MEMORY_LIMIT);
totalPhysicalMemoryOnNM = UNKNOWN_MEMORY_LIMIT;
}
}
if (totalPhysicalMemoryOnNM != UNKNOWN_MEMORY_LIMIT &&
this.maxPmemAllottedForContainers > totalPhysicalMemoryOnNM * 0.80f) {
LOG.warn("NodeManager configured with "
+ TraditionalBinaryPrefix.long2String(maxPmemAllottedForContainers,
"", 1)
+ " physical memory allocated to containers, which is more than "
+ "80% of the total physical memory available ("
+ TraditionalBinaryPrefix.long2String(totalPhysicalMemoryOnNM, "",
1) + "). Thrashing might happen.");
}
}
super.init(conf);
}
/**
* Is the total physical memory check enabled?
*
* @return true if total physical memory check is enabled.
*/
boolean isPhysicalMemoryCheckEnabled() {
return !(this.maxPmemAllottedForContainers == DISABLED_MEMORY_LIMIT);
}
/**
* Is the total virtual memory check enabled?
*
* @return true if total virtual memory check is enabled.
*/
boolean isVirtualMemoryCheckEnabled() {
return !(this.maxVmemAllottedForContainers == DISABLED_MEMORY_LIMIT);
}
private boolean isEnabled() {
if (resourceCalculatorPlugin == null) {
LOG.info("ResourceCalculatorPlugin is unavailable on this system. "
@ -174,7 +165,7 @@ private boolean isEnabled() {
+ this.getClass().getName() + " is disabled.");
return false;
}
if (!(isPhysicalMemoryCheckEnabled() || isVirtualMemoryCheckEnabled())) {
if (!(isPmemCheckEnabled() || isVmemCheckEnabled())) {
LOG.info("Neither virutal-memory nor physical-memory monitoring is " +
"needed. Not running the monitor-thread");
return false;
@ -412,7 +403,7 @@ public void run() {
boolean isMemoryOverLimit = false;
String msg = "";
if (isVirtualMemoryCheckEnabled()
if (isVmemCheckEnabled()
&& isProcessTreeOverLimit(containerId.toString(),
currentVmemUsage, curMemUsageOfAgedProcesses, vmemLimit)) {
// Container (the root process) is still alive and overflowing
@ -423,7 +414,7 @@ && isProcessTreeOverLimit(containerId.toString(),
currentPmemUsage, pmemLimit,
pId, containerId, pTree);
isMemoryOverLimit = true;
} else if (isPhysicalMemoryCheckEnabled()
} else if (isPmemCheckEnabled()
&& isProcessTreeOverLimit(containerId.toString(),
currentPmemUsage, curRssMemUsageOfAgedProcesses,
pmemLimit)) {
@ -507,11 +498,31 @@ public long getVmemAllocatedForContainers() {
return this.maxVmemAllottedForContainers;
}
/**
* Is the total physical memory check enabled?
*
* @return true if total physical memory check is enabled.
*/
@Override
public boolean isPmemCheckEnabled() {
return this.pmemCheckEnabled;
}
@Override
public long getPmemAllocatedForContainers() {
return this.maxPmemAllottedForContainers;
}
/**
* Is the total virtual memory check enabled?
*
* @return true if total virtual memory check is enabled.
*/
@Override
public boolean isVmemCheckEnabled() {
return this.vmemCheckEnabled;
}
@Override
public void handle(ContainersMonitorEvent monitoringEvent) {

4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/NodePage.java
View File

@ -67,8 +67,12 @@ protected void render(Block html) {
info("NodeManager information")
._("Total Vmem allocated for Containers",
StringUtils.byteDesc(info.getTotalVmemAllocated() * BYTES_IN_MB))
._("Vmem enforcement enabled",
info.isVmemCheckEnabled())
._("Total Pmem allocated for Container",
StringUtils.byteDesc(info.getTotalPmemAllocated() * BYTES_IN_MB))
._("Pmem enforcement enabled",
info.isVmemCheckEnabled())
._("NodeHealthyStatus",
info.getHealthStatus())
._("LastNodeHealthTime", new Date(

12
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/dao/NodeInfo.java
View File

@ -36,6 +36,8 @@ public class NodeInfo {
protected String healthReport;
protected long totalVmemAllocatedContainersMB;
protected long totalPmemAllocatedContainersMB;
protected boolean vmemCheckEnabled;
protected boolean pmemCheckEnabled;
protected long lastNodeUpdateTime;
protected boolean nodeHealthy;
protected String nodeManagerVersion;
@ -56,8 +58,10 @@ public NodeInfo(final Context context, final ResourceView resourceView) {
this.nodeHostName = context.getNodeId().getHost();
this.totalVmemAllocatedContainersMB = resourceView
.getVmemAllocatedForContainers() / BYTES_IN_MB;
this.vmemCheckEnabled = resourceView.isVmemCheckEnabled();
this.totalPmemAllocatedContainersMB = resourceView
.getPmemAllocatedForContainers() / BYTES_IN_MB;
this.pmemCheckEnabled = resourceView.isPmemCheckEnabled();
this.nodeHealthy = context.getNodeHealthStatus().getIsNodeHealthy();
this.lastNodeUpdateTime = context.getNodeHealthStatus()
.getLastHealthReportTime();
@ -120,8 +124,16 @@ public long getTotalVmemAllocated() {
return this.totalVmemAllocatedContainersMB;
}
public boolean isVmemCheckEnabled() {
return this.vmemCheckEnabled;
}
public long getTotalPmemAllocated() {
return this.totalPmemAllocatedContainersMB;
}
public boolean isPmemCheckEnabled() {
return this.pmemCheckEnabled;
}
}

55
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/monitor/TestContainersMonitor.java
View File

@ -18,8 +18,10 @@
package org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import java.io.BufferedReader;
import java.io.File;
@ -52,8 +54,11 @@
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.URL;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.event.AsyncDispatcher;
import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor;
import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.ExitCode;
import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.Signal;
import org.apache.hadoop.yarn.server.nodemanager.Context;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.BaseContainerManagerTest;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.apache.hadoop.yarn.util.LinuxResourceCalculatorPlugin;
@ -281,4 +286,54 @@ public void testContainerKillOnMemoryOverflow() throws IOException,
exec.signalContainer(user,
pid, Signal.NULL));
}
@Test(timeout = 20000)
public void testContainerMonitorMemFlags() {
ContainersMonitor cm = null;
long expPmem = 8192 * 1024 * 1024l;
long expVmem = (long) (expPmem * 2.1f);
cm = new ContainersMonitorImpl(mock(ContainerExecutor.class),
mock(AsyncDispatcher.class), mock(Context.class));
cm.init(getConfForCM(false, false, 8192, 2.1f));
assertEquals(expPmem, cm.getPmemAllocatedForContainers());
assertEquals(expVmem, cm.getVmemAllocatedForContainers());
assertEquals(false, cm.isPmemCheckEnabled());
assertEquals(false, cm.isVmemCheckEnabled());
cm = new ContainersMonitorImpl(mock(ContainerExecutor.class),
mock(AsyncDispatcher.class), mock(Context.class));
cm.init(getConfForCM(true, false, 8192, 2.1f));
assertEquals(expPmem, cm.getPmemAllocatedForContainers());
assertEquals(expVmem, cm.getVmemAllocatedForContainers());
assertEquals(true, cm.isPmemCheckEnabled());
assertEquals(false, cm.isVmemCheckEnabled());
cm = new ContainersMonitorImpl(mock(ContainerExecutor.class),
mock(AsyncDispatcher.class), mock(Context.class));
cm.init(getConfForCM(true, true, 8192, 2.1f));
assertEquals(expPmem, cm.getPmemAllocatedForContainers());
assertEquals(expVmem, cm.getVmemAllocatedForContainers());
assertEquals(true, cm.isPmemCheckEnabled());
assertEquals(true, cm.isVmemCheckEnabled());
cm = new ContainersMonitorImpl(mock(ContainerExecutor.class),
mock(AsyncDispatcher.class), mock(Context.class));
cm.init(getConfForCM(false, true, 8192, 2.1f));
assertEquals(expPmem, cm.getPmemAllocatedForContainers());
assertEquals(expVmem, cm.getVmemAllocatedForContainers());
assertEquals(false, cm.isPmemCheckEnabled());
assertEquals(true, cm.isVmemCheckEnabled());
}
private YarnConfiguration getConfForCM(boolean pMemEnabled,
boolean vMemEnabled, int nmPmem, float vMemToPMemRatio) {
YarnConfiguration conf = new YarnConfiguration();
conf.setInt(YarnConfiguration.NM_PMEM_MB, nmPmem);
conf.setBoolean(YarnConfiguration.NM_PMEM_CHECK_ENABLED, pMemEnabled);
conf.setBoolean(YarnConfiguration.NM_VMEM_CHECK_ENABLED, vMemEnabled);
conf.setFloat(YarnConfiguration.NM_VMEM_PMEM_RATIO, vMemToPMemRatio);
return conf;
}
}

16
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebServer.java
View File

@ -86,6 +86,14 @@ public long getVmemAllocatedForContainers() {
public long getPmemAllocatedForContainers() {
return 0;
}
@Override
public boolean isVmemCheckEnabled() {
return true;
}
@Override
public boolean isPmemCheckEnabled() {
return true;
}
};
Configuration conf = new Configuration();
conf.set(YarnConfiguration.NM_LOCAL_DIRS, testRootDir.getAbsolutePath());
@ -126,6 +134,14 @@ public long getVmemAllocatedForContainers() {
public long getPmemAllocatedForContainers() {
return 0;
}
@Override
public boolean isVmemCheckEnabled() {
return true;
}
@Override
public boolean isPmemCheckEnabled() {
return true;
}
};
Configuration conf = new Configuration();
conf.set(YarnConfiguration.NM_LOCAL_DIRS, testRootDir.getAbsolutePath());

17
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebServices.java
View File

@ -100,6 +100,14 @@ public long getPmemAllocatedForContainers() {
// 16G in bytes
return new Long("17179869184");
}
@Override
public boolean isVmemCheckEnabled() {
return true;
}
@Override
public boolean isPmemCheckEnabled() {
return true;
}
};
Configuration conf = new Configuration();
conf.set(YarnConfiguration.NM_LOCAL_DIRS, testRootDir.getAbsolutePath());
@ -294,6 +302,8 @@ public void verifyNodesXML(NodeList nodes) throws JSONException, Exception {
"totalVmemAllocatedContainersMB"),
WebServicesTestUtils.getXmlLong(element,
"totalPmemAllocatedContainersMB"),
WebServicesTestUtils.getXmlBoolean(element, "vmemCheckEnabled"),
WebServicesTestUtils.getXmlBoolean(element, "pmemCheckEnabled"),
WebServicesTestUtils.getXmlLong(element, "lastNodeUpdateTime"),
WebServicesTestUtils.getXmlBoolean(element, "nodeHealthy"),
WebServicesTestUtils.getXmlString(element, "nodeHostName"),
@ -310,10 +320,12 @@ public void verifyNodesXML(NodeList nodes) throws JSONException, Exception {
public void verifyNodeInfo(JSONObject json) throws JSONException, Exception {
assertEquals("incorrect number of elements", 1, json.length());
JSONObject info = json.getJSONObject("nodeInfo");
assertEquals("incorrect number of elements", 13, info.length());
assertEquals("incorrect number of elements", 15, info.length());
verifyNodeInfoGeneric(info.getString("id"), info.getString("healthReport"),
info.getLong("totalVmemAllocatedContainersMB"),
info.getLong("totalPmemAllocatedContainersMB"),
info.getBoolean("vmemCheckEnabled"),
info.getBoolean("pmemCheckEnabled"),
info.getLong("lastNodeUpdateTime"), info.getBoolean("nodeHealthy"),
info.getString("nodeHostName"), info.getString("hadoopVersionBuiltOn"),
info.getString("hadoopBuildVersion"), info.getString("hadoopVersion"),
@ -325,6 +337,7 @@ public void verifyNodeInfo(JSONObject json) throws JSONException, Exception {
public void verifyNodeInfoGeneric(String id, String healthReport,
long totalVmemAllocatedContainersMB, long totalPmemAllocatedContainersMB,
boolean vmemCheckEnabled, boolean pmemCheckEnabled,
long lastNodeUpdateTime, Boolean nodeHealthy, String nodeHostName,
String hadoopVersionBuiltOn, String hadoopBuildVersion,
String hadoopVersion, String resourceManagerVersionBuiltOn,
@ -337,6 +350,8 @@ public void verifyNodeInfoGeneric(String id, String healthReport,
totalVmemAllocatedContainersMB);
assertEquals("totalPmemAllocatedContainersMB incorrect", 16384,
totalPmemAllocatedContainersMB);
assertEquals("vmemCheckEnabled incorrect", true, vmemCheckEnabled);
assertEquals("pmemCheckEnabled incorrect", true, pmemCheckEnabled);
assertTrue("lastNodeUpdateTime incorrect", lastNodeUpdateTime == nmContext
.getNodeHealthStatus().getLastHealthReportTime());
assertTrue("nodeHealthy isn't true", nodeHealthy);

10
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebServicesApps.java
View File

@ -106,6 +106,16 @@ public long getPmemAllocatedForContainers() {
// 16G in bytes
return new Long("17179869184");
}
@Override
public boolean isVmemCheckEnabled() {
return true;
}
@Override
public boolean isPmemCheckEnabled() {
return true;
}
};
conf.set(YarnConfiguration.NM_LOCAL_DIRS, testRootDir.getAbsolutePath());
conf.set(YarnConfiguration.NM_LOG_DIRS, testLogDir.getAbsolutePath());

10
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestNMWebServicesContainers.java
View File

@ -106,6 +106,16 @@ public long getPmemAllocatedForContainers() {
// 16G in bytes
return new Long("17179869184");
}
@Override
public boolean isVmemCheckEnabled() {
return true;
}
@Override
public boolean isPmemCheckEnabled() {
return true;
}
};
conf.set(YarnConfiguration.NM_LOCAL_DIRS, testRootDir.getAbsolutePath());
conf.set(YarnConfiguration.NM_LOG_DIRS, testLogDir.getAbsolutePath());