ChangeTableState considers split&&offline regions as being served
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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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