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YARN-9033. ResourceHandlerChain#bootstrap is invoked twice during NM start if LinuxContainerExecutor enabled. Contributed by Zhankun Tang.

This commit is contained in:
Sunil G 2019-05-31 10:22:26 +05:30
parent 35f1014b3e
commit 7861a5eb1a
1 changed files with 8 additions and 17 deletions
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17
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/ContainerScheduler.java
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@ -35,7 +35,6 @@ import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Cont
import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerImpl;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.ResourceHandlerChain;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.ResourceHandlerException;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.ResourceHandlerModule;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor
.ChangeMonitoringContainerResourceEvent;
@ -44,7 +43,6 @@ import org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.Contai
import org.apache.hadoop.yarn.server.nodemanager.metrics.NodeManagerMetrics;
import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService;
import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService
.RecoveredContainerState;
import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.RecoveredContainerStatus;
@ -132,21 +130,14 @@ public class ContainerScheduler extends AbstractService implements
@Override
public void serviceInit(Configuration conf) throws Exception {
super.serviceInit(conf);
try {
if (resourceHandlerChain == null) {
resourceHandlerChain = ResourceHandlerModule
.getConfiguredResourceHandlerChain(conf, context);
}
LOG.debug("Resource handler chain enabled = {}",
(resourceHandlerChain != null));
if (resourceHandlerChain != null) {
LOG.debug("Bootstrapping resource handler chain");
resourceHandlerChain.bootstrap(conf);
}
} catch (ResourceHandlerException e) {
LOG.error("Failed to bootstrap configured resource subsystems! ", e);
throw new IOException(
"Failed to bootstrap configured resource subsystems!");
if (LOG.isDebugEnabled()) {
LOG.debug("Resource handler chain enabled = " + (resourceHandlerChain
!= null));
}
this.usePauseEventForPreemption =
conf.getBoolean(