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Posted to dev@hbase.apache.org by "Xu Cang (JIRA)" <ji...@apache.org> on 2018/12/06 00:37:01 UTC

[jira] [Created] (HBASE-21552) backport HBASE-16735(Procedure v2 - Fix yield while holding locks) to branch-1 .

Xu Cang created HBASE-21552:
-------------------------------

             Summary: backport  HBASE-16735(Procedure v2 - Fix yield while holding locks)  to branch-1 . 
                 Key: HBASE-21552
                 URL: https://issues.apache.org/jira/browse/HBASE-21552
             Project: HBase
          Issue Type: Improvement
          Components: proc-v2
            Reporter: Xu Cang
            Assignee: Xu Cang
         Attachments: Screen Shot 2018-12-05 at 4.34.05 PM.png

Please see screenshot for the stack trace. 
We met this issue in production: many createNamespaceProcedures cannot proceed.
After some debugging and JIRA digging, I think HBASE-16735 addressed this issue. It fixed the issue that WAITING procedure fails to be added back to the runQueue. 
But that change wasn't ported to branch-1. I am creating this JIRA for backporting it to branch-1



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