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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14947) WALProcedureStore improvements
Date Tue, 15 Dec 2015 23:52:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15059135#comment-15059135
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Hudson commented on HBASE-14947:
--------------------------------

SUCCESS: Integrated in HBase-1.1-JDK8 #1708 (See [https://builds.apache.org/job/HBase-1.1-JDK8/1708/])
HBASE-14947 WALProcedureStore improvements (matteo.bertozzi: rev 20b6dba997acd973fb8bd74666c42165bc715dbc)
* hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreTracker.java
* hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/store/wal/TestWALProcedureStore.java
* hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/store/TestProcedureStoreTracker.java
* hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.java


> 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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