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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9268) Client doesn't recover from a stalled region server
Date Wed, 21 Aug 2013 22:23:51 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13746919#comment-13746919

Jean-Daniel Cryans commented on HBASE-9268:

bq. Looking at the code, I don't think it's a new issue. JD, what do you think?

How do you define "new" here? I haven't tested it but I'm pretty sure this wasn't an issue
in 0.94.

bq. btw, I'm interested to know if you have the same issue when you activate HBASE-7590 (it
should work well).

It worked fine with HBASE-7590 once I fixed the class name in the release note :P
> Client doesn't recover from a stalled region server
> ---------------------------------------------------
>                 Key: HBASE-9268
>                 URL: https://issues.apache.org/jira/browse/HBASE-9268
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.95.2
>            Reporter: Jean-Daniel Cryans
>            Assignee: Nicolas Liochon
>             Fix For: 0.98.0, 0.95.3
>         Attachments: 9268-hack.patch
> Got this testing the 0.95.2 RC.
> I killed -STOP a region server and let it stay like that while running PE. The clients
didn't find the new region locations and in the jstack were stuck doing RPC. Eventually I
killed -CONT and the client printed these:
> bq. Exception in thread "TestClient-6" java.lang.RuntimeException: org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException:
Failed 128 actions: IOException: 90 times, SocketTimeoutException: 38 times,

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