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YARN-10260. Allow transitioning queue from DRAINING to RUNNING state. Contributed by Bilwa S T 

(cherry picked from commit fff1d2c122)
This commit is contained in:
Jonathan Hung 2020-05-12 10:48:54 -07:00
parent 433aaeefa4
commit 564d3211f2
2 changed files with 17 additions and 4 deletions
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4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/AbstractCSQueue.java
View File

@ -1349,10 +1349,6 @@ public abstract class AbstractCSQueue implements CSQueue {
if (getState() == QueueState.RUNNING) {
LOG.info("The specified queue:" + getQueuePath()
+ " is already in the RUNNING state.");
} else if (getState() == QueueState.DRAINING) {
throw new YarnException(
"The queue:" + getQueuePath() + " is in the Stopping process. "
+ "Please wait for the queue getting fully STOPPED.");
} else {
CSQueue parent = getParent();
if (parent == null || parent.getState() == QueueState.RUNNING) {

17
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestQueueState.java
View File

@ -157,6 +157,23 @@ public class TestQueueState {
Assert.assertEquals(QueueState.DRAINING, cs.getQueue(Q2).getState());
Assert.assertEquals(QueueState.RUNNING, cs.getQueue(Q3).getState());
// set Q2 state to RUNNING and do reinitialize.
// Q2 should transit from DRAINING to RUNNING
csConf.setState(Q2_PATH, QueueState.RUNNING);
conf = new YarnConfiguration(csConf);
cs.reinitialize(conf, rmContext);
Assert.assertEquals(QueueState.RUNNING, cs.getQueue(Q1).getState());
Assert.assertEquals(QueueState.RUNNING, cs.getQueue(Q2).getState());
Assert.assertEquals(QueueState.RUNNING, cs.getQueue(Q3).getState());
// set Q2 state to stop and do reinitialize.
csConf.setState(Q2_PATH, QueueState.STOPPED);
conf = new YarnConfiguration(csConf);
cs.reinitialize(conf, rmContext);
Assert.assertEquals(QueueState.RUNNING, cs.getQueue(Q1).getState());
Assert.assertEquals(QueueState.DRAINING, cs.getQueue(Q2).getState());
Assert.assertEquals(QueueState.RUNNING, cs.getQueue(Q3).getState());
// set Q1 state to stop and do reinitialize.
csConf.setState(Q1_PATH, QueueState.STOPPED);
conf = new YarnConfiguration(csConf);