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

[Xu Cang (JIRA)]

Xu Cang created HBASE-21552:
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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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