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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9987) Remove some synchronisation points in HConnectionManager
Date Tue, 19 Nov 2013 08:59:22 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13826320#comment-13826320
] 

Hudson commented on HBASE-9987:
-------------------------------

SUCCESS: Integrated in HBase-TRUNK #4687 (See [https://builds.apache.org/job/HBase-TRUNK/4687/])
HBASE-9987 Remove some synchronisation points in HConnectionManager (nkeywal: rev 1543051)
* /hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java


> Remove some synchronisation points in HConnectionManager
> --------------------------------------------------------
>
>                 Key: HBASE-9987
>                 URL: https://issues.apache.org/jira/browse/HBASE-9987
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 0.98.0, 0.96.0
>            Reporter: Nicolas Liochon
>            Assignee: Nicolas Liochon
>             Fix For: 0.98.0, 0.96.1
>
>         Attachments: 9987.v1.patch, 9987.v2.patch
>
>
> Change a Map to a concurrentMap
> Removed the "cachedServer (introduced in HBASE-4785). I suspect that this function is
not needed anymore as we also have a list of dead servers, and accessing the list is not blocking.
I will dig into this more however.
> The patch gives a 10% improvement with the NoClusterClient.



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