[jira] [Commented] (HBASE-4881) Unhealthy region is on service caused by rollback of region splitting

["Hudson (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-4881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13167760#comment-13167760 ] 

Hudson commented on HBASE-4881:
-------------------------------

Integrated in HBase-TRUNK-security #29 (See [https://builds.apache.org/job/HBase-TRUNK-security/29/])
    HBASE-4881 Unhealthy region is on service caused by rollback of region splitting

stack : 
Files : 
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/SplitTransaction.java

                
> Unhealthy region is on service caused by rollback of region splitting
> ---------------------------------------------------------------------
>
>                 Key: HBASE-4881
>                 URL: https://issues.apache.org/jira/browse/HBASE-4881
>             Project: HBase
>          Issue Type: Bug
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>             Fix For: 0.92.0
>
>         Attachments: 4881-v2.txt, hbase-4881.patch
>
>
> If region splitting is failed in the state of JournalEntry.CLOSED_PARENT_REGION
> It will be rollback as the following steps:
> {code}
> 1.case CLOSED_PARENT_REGION:
>   this.parent.initialize();
>         break;
> 2.case CREATE_SPLIT_DIR:
>     	this.parent.writestate.writesEnabled = true;
>         cleanupSplitDir(fs, this.splitdir);
>         break;
> 3.case SET_SPLITTING_IN_ZK:
>         if (server != null && server.getZooKeeper() != null) {
>           cleanZK(server, this.parent.getRegionInfo());
>         }
>         break;
> {code}
> If this.parent.initialize() throws IOException in step 1,
> If check filesystem is ok. it will do nothing.
> However, the parent region is on service now.

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