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Posted to dev@hbase.apache.org by "Jean-Daniel Cryans (JIRA)" <ji...@apache.org> on 2010/05/05 02:46:06 UTC
[jira] Created: (HBASE-2515) ChangeTableState considers
split&&offline regions as being served
ChangeTableState considers split&&offline regions as being served
-----------------------------------------------------------------
Key: HBASE-2515
URL: https://issues.apache.org/jira/browse/HBASE-2515
Project: Hadoop HBase
Issue Type: Bug
Reporter: Jean-Daniel Cryans
Assignee: Jean-Daniel Cryans
Priority: Critical
Fix For: 0.20.5, 0.21.0
A region is considered as being serverd and unserved at the same time in the ChangeTableState (and TableOperation) class. This translates to logs like this:
{code}
2010-05-04 17:26:01,073 INFO org.apache.hadoop.hbase.master.ServerManager: Processing MSG_REPORT_SPLIT_INCLUDES_DAUGHTERS: TestTable,0000518811,1273019008135: Daughters;
TestTable,0000518811,1273019159867, TestTable,0000584541,1273019159867 from 10.10.1.177,60020,1273018776034; 1 of 1
<<disable is called>>
2010-05-04 17:26:25,893 DEBUG org.apache.hadoop.hbase.master.ChangeTableState: Skipping region REGION => {NAME => 'TestTable,0000518811,1273019008135', STARTKEY => '0000518811', ENDKEY => '0000650817',
ENCODED => 143183187, OFFLINE => true, SPLIT => true, TABLE => {{NAME => 'TestTable', FAMILIES => [{NAME => 'info', VERSIONS => '3', COMPRESSION => 'NONE', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY =>
'false', BLOCKCACHE => 'true'}]}} because it is offline and split
2010-05-04 17:26:25,902 DEBUG org.apache.hadoop.hbase.master.ChangeTableState: Adding region TestTable,0000518811,1273019008135 to setClosing list
2010-05-04 17:26:27,008 DEBUG org.apache.hadoop.hbase.master.ChangeTableState: Skipping region REGION => {NAME => 'TestTable,0000518811,1273019008135', STARTKEY => '0000518811', ENDKEY => '0000650817',
ENCODED => 143183187, OFFLINE => true, SPLIT => true, TABLE => {{NAME => 'TestTable', FAMILIES => [{NAME => 'info', VERSIONS => '3', COMPRESSION => 'NONE', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY =>
'false', BLOCKCACHE => 'true'}]}} because it is offline and split
2010-05-04 17:26:27,018 DEBUG org.apache.hadoop.hbase.master.ChangeTableState: Adding region TestTable,0000518811,1273019008135 to setClosing list
{code}
The region gets stuck in transition! More details in a comment to come.
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[jira] Resolved: (HBASE-2515) ChangeTableState considers
split&&offline regions as being served
Posted by "Jean-Daniel Cryans (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-2515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jean-Daniel Cryans resolved HBASE-2515.
---------------------------------------
Hadoop Flags: [Reviewed]
Resolution: Fixed
Committed to branch and trunk without the commented out assertion, thanks for the review Stack!
> ChangeTableState considers split&&offline regions as being served
> -----------------------------------------------------------------
>
> Key: HBASE-2515
> URL: https://issues.apache.org/jira/browse/HBASE-2515
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Assignee: Jean-Daniel Cryans
> Priority: Critical
> Fix For: 0.20.5, 0.21.0
>
> Attachments: HBASE-2515-branch+test.patch, HBASE-2515.patch
>
>
> A region is considered as being serverd and unserved at the same time in the ChangeTableState (and TableOperation) class. This translates to logs like this:
> {code}
> 2010-05-04 17:26:01,073 INFO org.apache.hadoop.hbase.master.ServerManager: Processing MSG_REPORT_SPLIT_INCLUDES_DAUGHTERS: TestTable,0000518811,1273019008135: Daughters;
> TestTable,0000518811,1273019159867, TestTable,0000584541,1273019159867 from 10.10.1.177,60020,1273018776034; 1 of 1
> <<disable is called>>
> 2010-05-04 17:26:25,893 DEBUG org.apache.hadoop.hbase.master.ChangeTableState: Skipping region REGION => {NAME => 'TestTable,0000518811,1273019008135', STARTKEY => '0000518811', ENDKEY => '0000650817',
> ENCODED => 143183187, OFFLINE => true, SPLIT => true, TABLE => {{NAME => 'TestTable', FAMILIES => [{NAME => 'info', VERSIONS => '3', COMPRESSION => 'NONE', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY =>
> 'false', BLOCKCACHE => 'true'}]}} because it is offline and split
> 2010-05-04 17:26:25,902 DEBUG org.apache.hadoop.hbase.master.ChangeTableState: Adding region TestTable,0000518811,1273019008135 to setClosing list
> 2010-05-04 17:26:27,008 DEBUG org.apache.hadoop.hbase.master.ChangeTableState: Skipping region REGION => {NAME => 'TestTable,0000518811,1273019008135', STARTKEY => '0000518811', ENDKEY => '0000650817',
> ENCODED => 143183187, OFFLINE => true, SPLIT => true, TABLE => {{NAME => 'TestTable', FAMILIES => [{NAME => 'info', VERSIONS => '3', COMPRESSION => 'NONE', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY =>
> 'false', BLOCKCACHE => 'true'}]}} because it is offline and split
> 2010-05-04 17:26:27,018 DEBUG org.apache.hadoop.hbase.master.ChangeTableState: Adding region TestTable,0000518811,1273019008135 to setClosing list
> {code}
> The region gets stuck in transition! More details in a comment to come.
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