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YARN-10651. CapacityScheduler crashed with NPE in AbstractYarnScheduler.updateNodeResource(). Contributed by Haibo Chen

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(cherry picked from commit f348ab3f2f468751af329a1ffce4917cb000fcbf)
(cherry picked from commit be6e99963ded94adf6f447ff53f2ba66b99120ca)
(cherry picked from commit 6863a5bb8ace591de3374102920bba916dbebfda)
(cherry picked from commit eb6c08e423dd06bf37ff44665ffb98c97e26ad08)
This commit is contained in:
Jonathan Hung 2021-02-25 15:08:43 -08:00
parent 4ed7b80b19
commit 1d76a8e73f
1 changed files with 5 additions and 0 deletions
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.java
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@ -805,6 +805,11 @@ public void updateNodeResource(RMNode nm,
try {
writeLock.lock();
SchedulerNode node = getSchedulerNode(nm.getNodeID());
if (node == null) {
LOG.info("Node: " + nm.getNodeID() + " has already been taken out of " +
"scheduling. Skip updating its resource");
return;
}
Resource newResource = resourceOption.getResource();
Resource oldResource = node.getTotalResource();
if (!oldResource.equals(newResource)) {