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https://issues.apache.org/jira/browse/HBASE-14947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephen Yuan Jiang updated HBASE-14947:
---------------------------------------
    Summary: Procedure V2 - WALProcedureStore improvements  (was: 
WALProcedureStore improvements)

> Procedure V2 - WALProcedureStore improvements
> ---------------------------------------------
>
>                 Key: HBASE-14947
>                 URL: https://issues.apache.org/jira/browse/HBASE-14947
>             Project: HBase
>          Issue Type: Sub-task
>          Components: proc-v2
>            Reporter: Ashu Pachauri
>            Assignee: Matteo Bertozzi
>            Priority: Blocker
>             Fix For: 2.0.0, 1.2.0, 1.1.3
>
>         Attachments: HBASE-14947-v0.patch, HBASE-14947-v1.patch
>
>
> We ended up with a deadlock in HBASE-14943, with the storeTracker and lock 
> acquired in reverse order by syncLoop() and insert/update/delete. In the 
> syncLoop() with don't need the lock when we try to roll or removeInactive. 
> also we can move the insert/update/delete tracker check in the syncLoop 
> avoiding to the extra lock operation.



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