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From "Ashu Pachauri (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14947) WALProcedureStore improvements
Date Tue, 15 Dec 2015 00:10:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15057021#comment-15057021
] 

Ashu Pachauri commented on HBASE-14947:
---------------------------------------

[~mbertozzi] I had a look at the patch, looks good to me. +1

> 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
>         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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