Doubly-assigned regions redux
-----------------------------
Key: HBASE-1104
URL: https://issues.apache.org/jira/browse/HBASE-1104
Project: Hadoop HBase
Issue Type: Bug
Environment: pset cluster with TRUNK.
Reporter: stack
Fix For: 0.19.0
Testing, I see doubly assigned regions. Below is from master log for
TestTable,0000135598,1230761605500.
{code}
2008-12-31 22:13:35,528 [IPC Server handler 2 on 60000] INFO
org.apache.hadoop.hbase.master.ServerManager: Received MSG_REPORT_SPLIT:
TestTable,0000116170,1230761152219: TestTable,0000116170,1230761152219 split;
daughters: TestTable,0000116170,1230761605500,
TestTable,0000135598,1230761605500 from XX.XX.XX.142:60020
2008-12-31 22:13:35,528 [IPC Server handler 2 on 60000] INFO
org.apache.hadoop.hbase.master.RegionManager: assigning region
TestTable,0000135598,1230761605500 to server XX.XX.XX.142:60020
2008-12-31 22:13:38,561 [IPC Server handler 6 on 60000] INFO
org.apache.hadoop.hbase.master.ServerManager: Received MSG_REPORT_OPEN:
TestTable,0000135598,1230761605500 from XX.XX.XX.142:60020
2008-12-31 22:13:38,562 [HMaster] INFO
org.apache.hadoop.hbase.master.ProcessRegionOpen$1:
TestTable,0000135598,1230761605500 open on XX.XX.XX.142:60020
2008-12-31 22:13:38,562 [HMaster] INFO
org.apache.hadoop.hbase.master.ProcessRegionOpen$1: updating row
TestTable,0000135598,1230761605500 in region .META.,,1 with startcode
1230759988953 and server XX.XX.XX.142:60020
2008-12-31 22:13:44,640 [IPC Server handler 4 on 60000] DEBUG
org.apache.hadoop.hbase.master.RegionManager: Going to close region
TestTable,0000135598,1230761605500
2008-12-31 22:13:50,441 [IPC Server handler 9 on 60000] INFO
org.apache.hadoop.hbase.master.RegionManager: assigning region
TestTable,0000135598,1230761605500 to server XX.XX.XX.139:60020
2008-12-31 22:13:53,457 [IPC Server handler 5 on 60000] INFO
org.apache.hadoop.hbase.master.ServerManager: Received MSG_REPORT_PROCESS_OPEN:
TestTable,0000135598,1230761605500 from XX.XX.XX.139:60020
2008-12-31 22:13:53,458 [IPC Server handler 5 on 60000] INFO
org.apache.hadoop.hbase.master.ServerManager: Received MSG_REPORT_OPEN:
TestTable,0000135598,1230761605500 from XX.XX.XX.139:60020
2008-12-31 22:13:53,458 [HMaster] INFO
org.apache.hadoop.hbase.master.ProcessRegionOpen$1:
TestTable,0000135598,1230761605500 open on XX.XX.XX.139:60020
2008-12-31 22:13:53,458 [HMaster] INFO
org.apache.hadoop.hbase.master.ProcessRegionOpen$1: updating row
TestTable,0000135598,1230761605500 in region .META.,,1 with startcode
1230759988788 and server XX.XX.XX.139:60020
2008-12-31 22:13:53,688 [IPC Server handler 6 on 60000] INFO
org.apache.hadoop.hbase.master.ServerManager: Received MSG_REPORT_CLOSE:
TestTable,0000135598,1230761605500 from XX.XX.XX.142:60020
2008-12-31 22:13:53,688 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster:
Processing todo: ProcessRegionClose of TestTable,0000135598,1230761605500, false
2008-12-31 22:13:54,263 [IPC Server handler 7 on 60000] INFO
org.apache.hadoop.hbase.master.RegionManager: assigning region
TestTable,0000135598,1230761605500 to server XX.XX.XX.141:60020
2008-12-31 22:13:57,273 [IPC Server handler 9 on 60000] INFO
org.apache.hadoop.hbase.master.ServerManager: Received MSG_REPORT_PROCESS_OPEN:
TestTable,0000135598,1230761605500 from XX.XX.XX.141:60020
2008-12-31 22:14:03,917 [IPC Server handler 0 on 60000] INFO
org.apache.hadoop.hbase.master.ServerManager: Received MSG_REPORT_OPEN:
TestTable,0000135598,1230761605500 from XX.XX.XX.141:60020
2008-12-31 22:14:03,917 [HMaster] INFO
org.apache.hadoop.hbase.master.ProcessRegionOpen$1:
TestTable,0000135598,1230761605500 open on XX.XX.XX.141:60020
2008-12-31 22:14:03,918 [HMaster] INFO
org.apache.hadoop.hbase.master.ProcessRegionOpen$1: updating row
TestTable,0000135598,1230761605500 in region .META.,,1 with startcode
1230759989031 and server XX.XX.XX.141:60020
2008-12-31 22:14:29,350 [RegionManager.metaScanner] DEBUG
org.apache.hadoop.hbase.master.BaseScanner: TestTable,0000135598,1230761605500
no longer has references to TestTable,0000116170,1230761152219
{code}
See how we choose to assign before we get the close back from the regionserver.
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