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Date: Mon, 20 Aug 2007 12:21:31 -0700 (PDT)
From: "Jim Kellerman (JIRA)" <jira@apache.org>
To: hadoop-dev@lucene.apache.org
Subject: [jira] Assigned: (HADOOP-1723) [hbase] If master asks region server
 to shut down, by-pass return of shutdown message
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     [ https://issues.apache.org/jira/browse/HADOOP-1723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jim Kellerman reassigned HADOOP-1723:
-------------------------------------

    Assignee: Jim Kellerman  (was: stack)

> [hbase] If master asks region server to shut down, by-pass return of shutdown message
> -------------------------------------------------------------------------------------
>
>                 Key: HADOOP-1723
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1723
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>            Reporter: stack
>            Assignee: Jim Kellerman
>            Priority: Trivial
>
> If master tells cluster to shut down, currently region servers hang on the exit.  They are trying return to the exited-master a report that they are on the way out.  This report should not be sent in this scenario.  Here's a log excerpt:
> 2007-08-16 16:56:52,005 DEBUG org.apache.hadoop.hbase.HRegionServer: Got regionserver stop message
> 2007-08-16 16:56:52,005 INFO org.apache.hadoop.hbase.Leases: closing leases
> 2007-08-16 16:56:52,005 INFO org.apache.hadoop.hbase.Leases: leases closed
> 2007-08-16 16:56:52,005 INFO org.apache.hadoop.ipc.Server: Stopping server on 60010
> 2007-08-16 16:56:52,005 INFO org.apache.hadoop.ipc.Server: IPC Server handler 0 on 60010: exiting
> ....
> 2007-08-16 16:56:52,007 INFO org.apache.hadoop.hbase.HRegionServer: cacheFlusher exiting
> 2007-08-16 16:56:52,007 DEBUG org.apache.hadoop.hbase.HLog: closing log writer in /bfd/hadoop-stack-data/tmp/hbase/log_208.76.44.139_60010
> 2007-08-16 16:56:52,007 INFO org.apache.hadoop.hbase.HRegionServer: splitOrCompactChecker exiting
> 2007-08-16 16:56:52,007 INFO org.apache.hadoop.hbase.HRegionServer: logRoller exiting
> 2007-08-16 16:56:52,141 INFO org.apache.hadoop.hbase.HRegionServer: telling master that region server is shutting down at: 208.76.44.139:60010
> 2007-08-16 16:57:01,990 INFO org.apache.hadoop.hbase.HRegionServer: worker thread exiting
> 2007-08-16 16:57:52,153 WARN org.apache.hadoop.hbase.HRegionServer:
> java.net.SocketTimeoutException: timed out waiting for rpc response
>     at org.apache.hadoop.ipc.Client.call(Client.java:472)
>     at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:165)
>     at $Proxy1.regionServerReport(Unknown Source)
>     at org.apache.hadoop.hbase.HRegionServer.run(HRegionServer.java:767)
>     at java.lang.Thread.run(Thread.java:619)
> 2007-08-16 16:57:52,155 INFO org.apache.hadoop.hbase.HRegionServer: stopping server at: 208.76.44.139:60010
> 2007-08-16 16:57:52,155 INFO org.apache.hadoop.hbase.HRegionServer: HRegionServer stopped at: 208.76.44.139:60010
> 2007-08-16 16:57:52,155 INFO org.apache.hadoop.hbase.HRegionServer: main thread exiting

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