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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11835) Wrong managenement of non expected calls in the client
Date Thu, 30 Oct 2014 21:41:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14190891#comment-14190891
] 

Hudson commented on HBASE-11835:
--------------------------------

FAILURE: Integrated in HBase-TRUNK #5725 (See [https://builds.apache.org/job/HBase-TRUNK/5725/])
HBASE-11835 Wrong managenement of non expected calls in the client (Nicolas Liochon) (stack:
rev 9f4b6ac06c35fb18acd1951382da024780e01e2f)
* hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/RpcClient.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServer.java


> Wrong managenement of non expected calls in the client
> ------------------------------------------------------
>
>                 Key: HBASE-11835
>                 URL: https://issues.apache.org/jira/browse/HBASE-11835
>             Project: HBase
>          Issue Type: Bug
>          Components: Client, Performance
>    Affects Versions: 1.0.0, 2.0.0, 0.98.6
>            Reporter: Nicolas Liochon
>            Assignee: Nicolas Liochon
>             Fix For: 2.0.0, 0.99.2
>
>         Attachments: 11835.rebase.patch, 11835.rebase.patch, 11835.rebase.patch, rpcClient.patch
>
>
> If a call is purged or canceled we try to skip the reply from the server, but we read
the wrong number of bytes so we corrupt the tcp channel. It's hidden as it triggers retry
and so on, but it's bad for performances obviously.
> It happens with cell blocks.
> [~ram_krish_86], [~saint.ack@gmail.com], you know this part better than me, do you agree
with the analysis and the patch?
> The changes in rpcServer are not fully related: as the client close the connections in
such situation, I observed  both ClosedChannelException and CancelledKeyException. 



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