YARN-9033. ResourceHandlerChain#bootstrap is invoked twice during NM start if LinuxContainerExecutor enabled. Contributed by Zhankun Tang.
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@ -35,7 +35,6 @@ import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Cont
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerImpl;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.ResourceHandlerChain;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.ResourceHandlerException;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.ResourceHandlerModule;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor
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.ChangeMonitoringContainerResourceEvent;
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@ -44,7 +43,6 @@ import org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.Contai
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import org.apache.hadoop.yarn.server.nodemanager.metrics.NodeManagerMetrics;
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import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService;
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import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService
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.RecoveredContainerState;
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import org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.RecoveredContainerStatus;
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@ -132,21 +130,14 @@ public class ContainerScheduler extends AbstractService implements
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@Override
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public void serviceInit(Configuration conf) throws Exception {
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super.serviceInit(conf);
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try {
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if (resourceHandlerChain == null) {
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resourceHandlerChain = ResourceHandlerModule
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.getConfiguredResourceHandlerChain(conf, context);
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}
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LOG.debug("Resource handler chain enabled = {}",
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(resourceHandlerChain != null));
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if (resourceHandlerChain != null) {
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LOG.debug("Bootstrapping resource handler chain");
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resourceHandlerChain.bootstrap(conf);
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}
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} catch (ResourceHandlerException e) {
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LOG.error("Failed to bootstrap configured resource subsystems! ", e);
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throw new IOException(
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"Failed to bootstrap configured resource subsystems!");
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if (resourceHandlerChain == null) {
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resourceHandlerChain = ResourceHandlerModule
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.getConfiguredResourceHandlerChain(conf, context);
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}
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if (LOG.isDebugEnabled()) {
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LOG.debug("Resource handler chain enabled = " + (resourceHandlerChain
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!= null));
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}
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this.usePauseEventForPreemption =
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conf.getBoolean(
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