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From "ramkrishna.s.vasudevan (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4855) SplitLogManager hangs on cluster restart.
Date Wed, 23 Nov 2011 15:33:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13155921#comment-13155921
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ramkrishna.s.vasudevan commented on HBASE-4855:
-----------------------------------------------

{code}
java.lang.AssertionError
	at org.apache.hadoop.hbase.master.SplitLogManager.heartbeat(SplitLogManager.java:466)
	at org.apache.hadoop.hbase.master.SplitLogManager.getDataSetWatchSuccess(SplitLogManager.java:401)
	at org.apache.hadoop.hbase.master.SplitLogManager.access$14(SplitLogManager.java:388)
	at org.apache.hadoop.hbase.master.SplitLogManager$GetDataAsyncCallback.processResult(SplitLogManager.java:914)
	at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:571)
	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:497)
{code}

Some time on restart i get this log also.
                
> SplitLogManager hangs on cluster restart. 
> ------------------------------------------
>
>                 Key: HBASE-4855
>                 URL: https://issues.apache.org/jira/browse/HBASE-4855
>             Project: HBase
>          Issue Type: Bug
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>
> Start a master and RS
> RS goes down (kill -9)
> Wait for ServerShutDownHandler to create the splitlog nodes. As no RS is there it cannot
be processed.
> Restart both master and bring up an RS.
> The master hangs in SplitLogManager.waitforTasks().
> I feel that batch.done is not getting incremented properly.  Not yet digged in fully.
> This may be the reason for occasional failure of TestDistributedLogSplitting.testWorkerAbort().


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