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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2011/06/10 23:59:59 UTC
[jira] [Resolved] (HBASE-3892) Table can't disable
[ https://issues.apache.org/jira/browse/HBASE-3892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack resolved HBASE-3892.
--------------------------
Resolution: Fixed
Hadoop Flags: [Reviewed]
Applied to branch. I talked to J-D and we need to be able to handle double-split messages however they arise.
This patch won't work for TRUNK. Its changed too much. Will need something like this in TRUNK.
> Table can't disable
> -------------------
>
> Key: HBASE-3892
> URL: https://issues.apache.org/jira/browse/HBASE-3892
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.3
> Reporter: gaojinchao
> Fix For: 0.90.4
>
> Attachments: AssignmentManager_90v3.patch, AssignmentManager_90v4.patch, logs.rar
>
>
> In TimeoutMonitor :
> if node exists and node state is RS_ZK_REGION_CLOSED
> We should send a zk message again when close region is timeout.
> in this case, It may be loss some message.
> I See. It seems like a bug. This is my analysis.
> // disable table and master sent Close message to region server, Region state was set PENDING_CLOSE
> 2011-05-08 17:44:25,745 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Sent CLOSE to serverName=C4C4.site,60020,1304820199467, load=(requests=0, regions=123, usedHeap=4097, maxHeap=8175) for region ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66.
> 2011-05-08 17:44:45,530 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: ufdr,2011050812#8613817306227#0516,1304845660567.8e9a3b05abe1c3a692999cf5e8dfd9dd.: Daughters; ufdr,2011050812#8613817306227#0516,1304847764729.5e4bca85c33fa6605ffc9a5c2eb94e62., ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66. from C4C4.site,60020,1304820199467
> 2011-05-08 17:45:45,542 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: ufdr,2011050812#8613817306227#0516,1304845660567.8e9a3b05abe1c3a692999cf5e8dfd9dd.: Daughters; ufdr,2011050812#8613817306227#0516,1304847764729.5e4bca85c33fa6605ffc9a5c2eb94e62., ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66. from C4C4.site,60020,1304820199467
> // received splitting message and cleared Region state (PENDING_CLOSE)
> 2011-05-08 17:46:45,303 WARN org.apache.hadoop.hbase.master.AssignmentManager: Overwriting 4418fb197685a21f77e151e401cf8b66 on serverName=C4C4.site,60020,1304820199467, load=(requests=0, regions=123, usedHeap=4097, maxHeap=8175)
> 2011-05-08 17:46:45,538 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: ufdr,2011050812#8613817306227#0516,1304845660567.8e9a3b05abe1c3a692999cf5e8dfd9dd.: Daughters; ufdr,2011050812#8613817306227#0516,1304847764729.5e4bca85c33fa6605ffc9a5c2eb94e62., ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66. from C4C4.site,60020,1304820199467
> 2011-05-08 17:47:45,548 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: ufdr,2011050812#8613817306227#0516,1304845660567.8e9a3b05abe1c3a692999cf5e8dfd9dd.: Daughters; ufdr,2011050812#8613817306227#0516,1304847764729.5e4bca85c33fa6605ffc9a5c2eb94e62., ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66. from C4C4.site,60020,1304820199467
> 2011-05-08 17:48:45,545 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: ufdr,2011050812#8613817306227#0516,1304845660567.8e9a3b05abe1c3a692999cf5e8dfd9dd.: Daughters; ufdr,2011050812#8613817306227#0516,1304847764729.5e4bca85c33fa6605ffc9a5c2eb94e62., ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66. from C4C4.site,60020,1304820199467
> 2011-05-08 17:49:46,108 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: ufdr,2011050812#8613817306227#0516,1304845660567.8e9a3b05abe1c3a692999cf5e8dfd9dd.: Daughters; ufdr,2011050812#8613817306227#0516,1304847764729.5e4bca85c33fa6605ffc9a5c2eb94e62., ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66. from C4C4.site,60020,1304820199467
> 2011-05-08 17:50:46,105 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: ufdr,2011050812#8613817306227#0516,1304845660567.8e9a3b05abe1c3a692999cf5e8dfd9dd.: Daughters; ufdr,2011050812#8613817306227#0516,1304847764729.5e4bca85c33fa6605ffc9a5c2eb94e62., ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66. from C4C4.site,60020,1304820199467
> 2011-05-08 17:51:46,117 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: ufdr,2011050812#8613817306227#0516,1304845660567.8e9a3b05abe1c3a692999cf5e8dfd9dd.: Daughters; ufdr,2011050812#8613817306227#0516,1304847764729.5e4bca85c33fa6605ffc9a5c2eb94e62., ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66. from C4C4.site,60020,1304820199467
> 2011-05-08 17:52:46,112 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: ufdr,2011050812#8613817306227#0516,1304845660567.8e9a3b05abe1c3a692999cf5e8dfd9dd.: Daughters; ufdr,2011050812#8613817306227#0516,1304847764729.5e4bca85c33fa6605ffc9a5c2eb94e62., ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66. from C4C4.site,60020,1304820199467
> 2011-05-08 17:52:47,309 DEBUG org.apache.hadoop.hbase.zookeeper.ZKUtil: master:60000-0x22fcd582836003d Retrieved 125 byte(s) of data from znode /hbase/unassigned/4418fb197685a21f77e151e401cf8b66 and set watcher; region=ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66., server=C4C4.site,60020,1304820199467, state=RS_ZK_REGION_CLOSED
> 2011-05-08 17:52:47,388 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling new unassigned node: /hbase/unassigned/4418fb197685a21f77e151e401cf8b66 (region=ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66., server=C4C4.site,60020,1304820199467, state=RS_ZK_REGION_CLOSED)
> 2011-05-08 17:52:47,388 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Handling transition=RS_ZK_REGION_CLOSED, server=C4C4.site,60020,1304820199467, region=4418fb197685a21f77e151e401cf8b66
> // region server had closed region, but the region state had cleared. So it printed warning log.
> 2011-05-08 17:52:47,388 WARN org.apache.hadoop.hbase.master.AssignmentManager: Received CLOSED for region 4418fb197685a21f77e151e401cf8b66 from server C4C4.site,60020,1304820199467 but region was in the state null and not in expected PENDING_CLOSE or CLOSING states
> 2011-05-08 17:52:47,397 WARN org.apache.hadoop.hbase.master.AssignmentManager: Overwriting 4418fb197685a21f77e151e401cf8b66 on serverName=C4C4.site,60020,1304820199467, load=(requests=0, regions=123, usedHeap=4097, maxHeap=8175)
> // The region state was set PENDING_CLOSE again. the table couldn't disable and enable.
> 2011-05-08 17:52:47,398 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Starting unassignment of region ufdr,2011050812#8613817398167#4032,1304847764729.4418fb197685a21f77e151e401cf8b66. (offlining)
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