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YARN=5526. DrainDispacher#serviceStop blocked if setDrainEventsOnStop invoked (sandflee via Varun Saxena)

This commit is contained in:
Varun Saxena 2016-08-18 11:38:13 +05:30
parent 20f0eb871c
commit 913a895136
2 changed files with 10 additions and 1 deletions
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6
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java
View File

@ -148,7 +148,7 @@ protected void serviceStop() throws Exception {
YarnConfiguration.DEFAULT_DISPATCHER_DRAIN_EVENTS_TIMEOUT);
synchronized (waitForDrained) {
while (!drained && eventHandlingThread != null
while (!isDrained() && eventHandlingThread != null
&& eventHandlingThread.isAlive()
&& System.currentTimeMillis() < endTime) {
waitForDrained.wait(1000);
@ -303,4 +303,8 @@ public void run() {
protected boolean isEventThreadWaiting() {
return eventHandlingThread.getState() == Thread.State.WAITING;
}
protected boolean isDrained() {
return drained;
}
}

5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/event/DrainDispatcher.java
View File

@ -94,6 +94,11 @@ public void handle(Event event) {
};
}
@Override
protected boolean isDrained() {
return drained;
}
@Override
protected void serviceStop() throws Exception {
stopped = true;