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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11403) Fix race conditions around Object#notify
Date Tue, 24 Jun 2014 12:37:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14042045#comment-14042045
] 

Hudson commented on HBASE-11403:
--------------------------------

SUCCESS: Integrated in HBase-TRUNK #5229 (See [https://builds.apache.org/job/HBase-TRUNK/5229/])
HBASE-11403 Fix race conditions around Object#notify (nkeywal: rev ab72babd97838317fa0a380fc4d49bf2703ad17c)
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/LogRoller.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/OpenRegionHandler.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.java
* hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncProcess.java
* hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/RpcClient.java


> Fix race conditions around Object#notify
> ----------------------------------------
>
>                 Key: HBASE-11403
>                 URL: https://issues.apache.org/jira/browse/HBASE-11403
>             Project: HBase
>          Issue Type: Bug
>          Components: Client, regionserver
>    Affects Versions: 0.99.0, 0.98.3
>            Reporter: Nicolas Liochon
>            Assignee: Nicolas Liochon
>             Fix For: 0.99.0, 0.98.4
>
>         Attachments: 11403.98.v1.patch, 11403.v1.patch
>
>
> We do have some race conditions there. We don't see them fail in the unit tests, because
our #wait are bounded. But from a performance point of view, they do occur. I've reviewed
them and fix all the issue I found excepted in the AM (haven't reviewed this one, may be it's
fine).
> On a perf test, this seems to improve the max latency.



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