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Posted to dev@phoenix.apache.org by "Anoop Sam John (JIRA)" <ji...@apache.org> on 2015/02/04 07:36:34 UTC

[jira] [Commented] (PHOENIX-1634) LocalIndexSplitter prevents region from auto split

    [ https://issues.apache.org/jira/browse/PHOENIX-1634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14304700#comment-14304700 ] 

Anoop Sam John commented on PHOENIX-1634:
-----------------------------------------

Any idea what breaks the locality?  Any nodes went down during the test time span? Or specific moves?  
Or the test case is like many times the region splits (and again children split and so on)?

> 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: 4.3
>            Reporter: Mujtaba Chohan
>            Assignee: rajeshbabu
>
> 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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