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https://issues.apache.org/jira/browse/OOZIE-3160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16326335#comment-16326335
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Andras Piros commented on OOZIE-3160:
-------------------------------------
[~j782070772] what are your exact steps to reproduce?
> oozie high cpu usage problem
> ----------------------------
>
> Key: OOZIE-3160
> URL: https://issues.apache.org/jira/browse/OOZIE-3160
> Project: Oozie
> Issue Type: Bug
> Components: core
> Environment: all platforms
> Reporter: jj
> Assignee: Andras Piros
> Priority: Major
>
> oozie process always consume high cpu. in my mechine,around 10%.
> I check the source code，find take() method in PriorityDelayQueue class。
> code:
> {code:java}
> public QueueElement<E> take() throws InterruptedException {
> QueueElement<E> e = poll();
> while (e == null) {
> Thread.sleep(10);
> e = poll();
> }
> return e;
> }
> {code}
> i think it's the reason of this problem. it's keep while, not await.
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