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https://issues.apache.org/jira/browse/PHOENIX-1634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14319186#comment-14319186
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Rajeshbabu Chintaguntla commented on PHOENIX-1634:
--------------------------------------------------

[~mujtabachohan] The exception can come when splitting and balancing happening 
parallelly. Let's suppose while balancing data region moved but index region in 
progress then we may get this exception. It's ok. But next time onwards splits 
happening properly?

> LocalIndexSplitter prevents region from auto split
> --------------------------------------------------
>
>                 Key: PHOENIX-1634
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1634
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 5.0.0, 4.3
>            Reporter: Mujtaba Chohan
>            Assignee: Rajeshbabu Chintaguntla
>         Attachments: PHOENIX-1634.patch, logs.zip, performance.py
>
>
> Local index is *not* created for a multi-tenant table however empty HBase 
> table is created in advance for local index. With data upserted in the 
> multi-tenant table, after multiple successive auto-splits when region tries 
> to split again on another region server, LocalIndexSplitter prevents 
> auto-split from happening. [~rajesh23] Please see the log below. Thanks 
> [~apurtell] and [~jamestaylor] for narrowing down this issue.
> {code}
> WARN org.apache.hadoop.hbase.regionserver.LocalIndexSplitter: Index region 
> corresponindg to data region 
> MYSCHEMA.MY_MULTITENANT_TABLE,,1422663910075.db3861e02b58e21b5383704375539ee5.
>  not in the same server. So skipping the split.
> 2015-01-31 04:48:53,532 INFO 
> org.apache.hadoop.hbase.regionserver.SplitRequest: Running rollback/cleanup 
> of failed split of 
> MYSCHEMA.MY_MULTITENANT_TABLE,,1422663910075.db3861e02b58e21b5383704375539ee5.;
>  Coprocessor bypassing region 
> MYSCHEMA.MY_MULTITENANT_TABLE,,1422663910075.db3861e02b58e21b5383704375539ee5.
>  split.
> java.io.IOException: Coprocessor bypassing region 
> MYSCHEMA.MY_MULTITENANT_TABLE,,1422663910075.db3861e02b58e21b5383704375539ee5.
>  split.
> at 
> org.apache.hadoop.hbase.regionserver.SplitTransaction.createDaughters(SplitTransaction.java:309)
> at 
> org.apache.hadoop.hbase.regionserver.SplitTransaction.execute(SplitTransaction.java:655)
> at org.apache.hadoop.hbase.regionserver.SplitRequest.run(SplitRequest.java:84)
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> {code}



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