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YARN-3585. NodeManager cannot exit on SHUTDOWN event triggered and NM recovery is enabled. Contributed by Rohith Sharmaks

This commit is contained in:
Jason Lowe 2015-06-03 19:44:07 +00:00
parent dbc4f64937
commit e13b671aa5
2 changed files with 18 additions and 2 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -615,6 +615,9 @@ Release 2.7.1 - UNRELEASED
YARN-3725. App submission via REST API is broken in secure mode due to YARN-3725. App submission via REST API is broken in secure mode due to
Timeline DT service address is empty. (Zhijie Shen via wangda) Timeline DT service address is empty. (Zhijie Shen via wangda)
YARN-3585. NodeManager cannot exit on SHUTDOWN event triggered and NM
recovery is enabled (Rohith Sharmaks via jlowe)
Release 2.7.0 - 2015-04-20 Release 2.7.0 - 2015-04-20
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

15
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeManager.java
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@ -38,6 +38,7 @@
import org.apache.hadoop.security.Credentials; import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.SecurityUtil; import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.service.CompositeService; import org.apache.hadoop.service.CompositeService;
import org.apache.hadoop.util.ExitUtil;
import org.apache.hadoop.util.GenericOptionsParser; import org.apache.hadoop.util.GenericOptionsParser;
import org.apache.hadoop.util.NodeHealthScriptRunner; import org.apache.hadoop.util.NodeHealthScriptRunner;
import org.apache.hadoop.util.ReflectionUtils; import org.apache.hadoop.util.ReflectionUtils;
@ -94,6 +95,7 @@ public class NodeManager extends CompositeService
private AtomicBoolean isStopping = new AtomicBoolean(false); private AtomicBoolean isStopping = new AtomicBoolean(false);
private boolean rmWorkPreservingRestartEnabled; private boolean rmWorkPreservingRestartEnabled;
private boolean shouldExitOnShutdownEvent = false;
public NodeManager() { public NodeManager() {
super(NodeManager.class.getName()); super(NodeManager.class.getName());
@ -344,7 +346,16 @@ protected void shutDown() {
new Thread() { new Thread() {
@Override @Override
public void run() { public void run() {
try {
NodeManager.this.stop(); NodeManager.this.stop();
} catch (Throwable t) {
LOG.error("Error while shutting down NodeManager", t);
} finally {
if (shouldExitOnShutdownEvent
&& !ShutdownHookManager.get().isShutdownInProgress()) {
ExitUtil.terminate(-1);
}
}
} }
}.start(); }.start();
} }
@ -530,7 +541,9 @@ private void initAndStartNodeManager(Configuration conf, boolean hasToReboot) {
nodeManagerShutdownHook = new CompositeServiceShutdownHook(this); nodeManagerShutdownHook = new CompositeServiceShutdownHook(this);
ShutdownHookManager.get().addShutdownHook(nodeManagerShutdownHook, ShutdownHookManager.get().addShutdownHook(nodeManagerShutdownHook,
SHUTDOWN_HOOK_PRIORITY); SHUTDOWN_HOOK_PRIORITY);
// System exit should be called only when NodeManager is instantiated from
// main() funtion
this.shouldExitOnShutdownEvent = true;
this.init(conf); this.init(conf);
this.start(); this.start();
} catch (Throwable t) { } catch (Throwable t) {