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Posted to yarn-issues@hadoop.apache.org by "liyakun (JIRA)" <ji...@apache.org> on 2018/09/28 06:00:01 UTC

[jira] [Created] (YARN-8833) compute shares may lock the scheduling process

liyakun created YARN-8833:
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             Summary: compute shares may  lock the scheduling process
                 Key: YARN-8833
                 URL: https://issues.apache.org/jira/browse/YARN-8833
             Project: Hadoop YARN
          Issue Type: Bug
          Components: fairscheduler
            Reporter: liyakun


When use w2rRatio compute fair share, there may be a chance triggering the problem of Int overflow, and entering an infinite loop.

Since the compute share thread holds the writeLock, it may blocking scheduling thread.

This issue occurs in a production environment with 8500 nodes. And we have already fixed it.



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