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https://issues.apache.org/jira/browse/HBASE-4855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13156323#comment-13156323
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Ted Yu commented on HBASE-4855:
-------------------------------

The above assertion error meant there was duplicate heartbeat:
{code}
      assert false;
      LOG.warn("got dup heartbeat for " + path + " ver = " + new_version);
{code}
We should either ignore the dup heartbeat or make the assertion message clearer.
                
> 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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