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From "chunhui shen (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-4881) Unhealthy region is on service caused by rollback of region splitting
Date Mon, 28 Nov 2011 06:28:40 GMT
Unhealthy region is on service caused by rollback of region splitting
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                 Key: HBASE-4881
                 URL: https://issues.apache.org/jira/browse/HBASE-4881
             Project: HBase
          Issue Type: Bug
            Reporter: chunhui shen


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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