zhangxiping1 commented on code in PR #4150:
URL: https://github.com/apache/hadoop/pull/4150#discussion_r848208717
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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/DefaultAMSProcessor.java:
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@@ -351,7 +351,19 @@ public void allocate(ApplicationAttemptId appAttemptId,
((AbstractYarnScheduler)getScheduler())
.getApplicationAttempt(appAttemptId).pullUpdateContainerErrors());
- response.setNumClusterNodes(getScheduler().getNumClusterNodes());
+ String label="";
+ try {
+ label = rmContext.getScheduler()
+ .getQueueInfo(app.getQueue(), false, false)
+ .getDefaultNodeLabelExpression();
+ } catch (Exception e){
+ }
Review Comment:
Reference the SchedulerUtils. NormalizeAndValidateRequest fuction
`
try {
queueInfo = rmContext.getScheduler().getQueueInfo(queueName, false,
false);
} catch (IOException e) {
//Queue may not exist since it could be auto-created in case of
// dynamic queues
}
`
Should I add comments like this too？
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