[jira] [Resolved] (HBASE-6152) Split abort is not handled properly

["Devaraj Das (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-6152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Devaraj Das resolved HBASE-6152.
--------------------------------

    Resolution: Duplicate

Thanks, Ramkrishna. Yeah that should solve the problem.
                
> Split abort is not handled properly
> -----------------------------------
>
>                 Key: HBASE-6152
>                 URL: https://issues.apache.org/jira/browse/HBASE-6152
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>         Attachments: HBASE-6152_0.94.patch
>
>
> I ran into this:
> 1. RegionServer started to split a region(R), but the split was taking a long time, and hence the split was aborted
> 2. As part of cleanup, the RS deleted the ZK node that it created initially for R
> 3. The master (AssignmentManager) noticed the node deletion, and made R offline
> 4. The RS recovered from the failure, and at some point of time, tried to do the split again.
> 5. The master got an event RS_ZK_REGION_SPLIT but the server gave an error like - "Received SPLIT for region R from server RS but it doesn't exist anymore,.."
> 6. The RS apparently did the split successfully this time, but is stuck on the master to delete the znode for the region. It kept on saying - "org.apache.hadoop.hbase.regionserver.SplitTransaction: Still waiting on the master to process the split for R" and it was stuck there forever. 

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