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https://issues.apache.org/jira/browse/HBASE-9249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13769649#comment-13769649
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Hadoop QA commented on HBASE-9249:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12603609/HBASE-9249_v9.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 6 new
or modified tests.
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/7271//console
This message is automatically generated.
> Add cp hook before setting PONR in split
> ----------------------------------------
>
> Key: HBASE-9249
> URL: https://issues.apache.org/jira/browse/HBASE-9249
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 0.98.0
> Reporter: rajeshbabu
> Assignee: rajeshbabu
> Fix For: 0.98.0
>
> Attachments: HBASE-9249.patch, HBASE-9249_v2.patch,
> HBASE-9249_v3.patch, HBASE-9249_v4.patch, HBASE-9249_v5.patch,
> HBASE-9249_v6.patch, HBASE-9249_v7.patch, HBASE-9249_v7.patch,
> HBASE-9249_v8.patch, HBASE-9249_v8.patch, HBASE-9249_v9.patch
>
>
> This hook helps to perform split on user region and corresponding index
> region such that both will be split or none.
> With this hook split for user and index region as follows
> user region
> ===========
> 1) Create splitting znode for user region split
> 2) Close parent user region
> 3) split user region storefiles
> 4) instantiate child regions of user region
> Through the new hook we can call index region transitions as below
> index region
> ===========
> 5) Create splitting znode for index region split
> 6) Close parent index region
> 7) Split storefiles of index region
> 8) instantiate child regions of the index region
> If any failures in 5,6,7,8 rollback the steps and return null, on null return
> throw exception to rollback for 1,2,3,4
> 9) set PONR
> 10) do batch put of offline and split entries for user and index regions
> index region
> ============
> 11) open daughers of index regions and transition znode to split. This step
> we will do through preSplitAfterPONR hook. Opening index regions before
> opening user regions helps to avoid put failures if there is colocation
> mismatch(this can happen if user regions opening completed but index regions
> opening in progress)
> user region
> ===========
> 12) open daughers of user regions and transition znode to split.
> Even if region server crashes also at the end both user and index regions
> will be split or none
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