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Posted to yarn-dev@hadoop.apache.org by "Weiwei Yang (JIRA)" <ji...@apache.org> on 2018/04/26 06:06:00 UTC

[jira] [Created] (YARN-8212) Pending backlog for async allocation threads should be configurable

Weiwei Yang created YARN-8212:
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             Summary: Pending backlog for async allocation threads should be configurable
                 Key: YARN-8212
                 URL: https://issues.apache.org/jira/browse/YARN-8212
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Weiwei Yang


During the perf testing, we found that when we scale up to 20k nodes, the backlog size is often full and cause allocation threads to wait. Hence, it's better to make this configurable so user can tune the perf with respect to different size of nodes.



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