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From "rajeshbabu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9634) HBase Table few regions are not getting recovered from the 'Transition'/'OFFLINE state'
Date Mon, 23 Sep 2013 15:48:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13774656#comment-13774656
] 

rajeshbabu commented on HBASE-9634:
-----------------------------------

[~nkeywal]
if region server goes down during split then some regions are in transition(OFFLINE), going
through the logs and give the exact reason.
                
> HBase Table few regions are not getting recovered from the 'Transition'/'OFFLINE state'

> ----------------------------------------------------------------------------------------
>
>                 Key: HBASE-9634
>                 URL: https://issues.apache.org/jira/browse/HBASE-9634
>             Project: HBase
>          Issue Type: Bug
>          Components: master, regionserver
>    Affects Versions: 0.94.11
>         Environment: SuSE11
>            Reporter: shankarlingayya
>
> {noformat}
> HBase Table few regions are not getting recovered from the 'Transition'/'OFFLINE state'
> Test Procedure:
> 1. Setup Non HA Hadoop Cluster with two nodes (Node1-XX.XX.XX.XX,  Node2-YY.YY.YY.YY)
> 2. Install Zookeeper & HRegionServer in Node-1
> 3. Install HMaster & HRegionServer in Node-2
> 4. From Node2 create HBase Table ( table name 't1' with one column family 'cf1' )
> 5. Perform addrecord 99649 rows 
> 6. Perform kill and restart of Node1 Region Server & Node2 Region Server in a loop
for 10-20 times
> 2013-09-23 18:28:06,610 INFO org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler:
Opening of region {NAME => 't1,row507465,1379937224590.2d9fad2aee78103f928d8c7fe16ba6cd.',
STARTKEY => 'row507465', ENDKEY => 'row508987', ENCODED => 2d9fad2aee78103f928d8c7fe16ba6cd,}
failed, marking as FAILED_OPEN in ZK
> 2013-09-23 18:46:12,160 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Instantiated
t1,row507465,1379937224590.2d9fad2aee78103f928d8c7fe16ba6cd.
> 2013-09-23 18:46:12,160 ERROR org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler:
Failed open of region=t1,row507465,1379937224590.2d9fad2aee78103f928d8c7fe16ba6cd., starting
to roll back the global memstore size.
> {noformat}  

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