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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13219) Issues with PE tool in trunk
Date Sat, 14 Mar 2015 11:32:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14361720#comment-14361720
] 

ramkrishna.s.vasudevan commented on HBASE-13219:
------------------------------------------------

Just going thro the comments on the JIRA.  So previously it was multiple connections but still
there was no thread getting exhausted?  Is it due to the recent connection change?
BTW would make the multiCon with default option as false. So that all threads share the same
connection.


> Issues with PE tool in trunk
> ----------------------------
>
>                 Key: HBASE-13219
>                 URL: https://issues.apache.org/jira/browse/HBASE-13219
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>         Attachments: 13219.txt, t1
>
>
> -> PE tool tries to create the TEstTable and waits for it to be enabled and just hangs
there 
> Previously this was not happening and the PE tool used to run fine after the table creation.
> -> When we try to scan with 25 threads the PE tool fails after some time saying Unable
to create native threads.
> I lost the Stack trace now. But I could get it easily.  It happens here 
> {code}
>   public void submit(RetryingCallable<V> task, int callTimeout, int id) {
>     QueueingFuture<V> newFuture = new QueueingFuture<V>(task, callTimeout);
>     executor.execute(Trace.wrap(newFuture));
>     tasks[id] = newFuture;
>   }
> {code}
> in ResultBoundedCompletionService. This is also new.  Previously it used to work with
25 threads without any issues. 



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