When a table is deleted, master sends multiple close messages to the region
server
----------------------------------------------------------------------------------
Key: HBASE-473
URL: https://issues.apache.org/jira/browse/HBASE-473
Project: Hadoop HBase
Issue Type: Bug
Components: master
Affects Versions: 0.2.0
Reporter: Jim Kellerman
Assignee: Bryan Duxbury
While TestHBaseCluster succeeds, it demonstrates that the master tells the
region server to close the region multiple times.
{code}
[junit] 2008-02-26 15:42:26,718 DEBUG [IPC Server handler 1 on 60000]
master.ChangeTableState(131): adding region test,,1204069326375 to kill list
[junit] 2008-02-26 15:42:26,718 DEBUG [IPC Server handler 1 on 60000]
master.ChangeTableState(138): inserted local kill list into kill list for
server 10.69.80.2:2154
[junit] 2008-02-26 15:42:26,796 INFO [IPC Server handler 1 on 60000]
master.HMaster(644): deleted table: test
[junit] 2008-02-26 15:42:27,515 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:27,515 DEBUG [RegionServer:0.worker]
regionserver.HRegion(410): compactions and cache flushes disabled for region
test,,1204069326375
[junit] 2008-02-26 15:42:27,515 DEBUG [RegionServer:0.worker]
regionserver.HRegion(428): new updates and scanners for region
test,,1204069326375 disabled
[junit] 2008-02-26 15:42:27,515 DEBUG [RegionServer:0.worker]
regionserver.HRegion(446): no more active scanners for region
test,,1204069326375
[junit] 2008-02-26 15:42:27,515 DEBUG [RegionServer:0.worker]
regionserver.HRegion(452): no more row locks outstanding on region
test,,1204069326375
[junit] 2008-02-26 15:42:27,515 DEBUG [RegionServer:0.worker]
regionserver.HRegion(889): Started memcache flush for region
test,,1204069326375. Size 86.4k
[junit] 2008-02-26 15:42:27,546 INFO [RegionManager.rootScanner]
master.BaseScanner(147): RegionManager.rootScanner scanning meta region
{regionname: -ROOT-,,0, startKey: <>, server: 10.69.80.2:2154}
[junit] 2008-02-26 15:42:27,562 DEBUG [RegionManager.rootScanner]
master.BaseScanner(179): RegionManager.rootScanner regioninfo: {regionname:
.META.,,1, startKey: <>, endKey: <>, encodedName: 1028785192, tableDesc: {name:
.META., families: {info:={name: info, max versions: 1, compression: NONE, in
memory: false, block cache enabled: false, max length: 2147483647, bloom
filter: none}}}}, server: 10.69.80.2:2154, startCode: 1204069326359
[junit] 2008-02-26 15:42:27,562 INFO [RegionManager.rootScanner]
master.BaseScanner(225): RegionManager.rootScanner scan of meta region
{regionname: -ROOT-,,0, startKey: <>, server: 10.69.80.2:2154} complete
[junit] 2008-02-26 15:42:27,812 DEBUG [RegionServer:0.worker]
regionserver.HStore(1154): Added 1417693581/anchor/2354913287379000616 with
1000 entries, sequence id 2007, and size 60.0k for 1417693581/anchor
[junit] 2008-02-26 15:42:28,125 DEBUG [RegionServer:0.worker]
regionserver.HStore(1154): Added 1417693581/contents/295490293048850969 with
1000 entries, sequence id 2007, and size 55.1k for 1417693581/contents
[junit] 2008-02-26 15:42:28,125 DEBUG [RegionServer:0.worker]
regionserver.HRegion(995): Finished memcache flush for region
test,,1204069326375 in 610ms, sequenceid=2007
[junit] 2008-02-26 15:42:28,125 DEBUG [RegionServer:0.worker]
regionserver.HStore(1063): closed 1417693581/anchor
[junit] 2008-02-26 15:42:28,125 DEBUG [RegionServer:0.worker]
regionserver.HStore(1063): closed 1417693581/contents
[junit] 2008-02-26 15:42:28,125 INFO [RegionServer:0.worker]
regionserver.HRegion(478): closed test,,1204069326375
[junit] 2008-02-26 15:42:28,515 DEBUG [IPC Server handler 0 on 60000]
master.ServerManager(287): Received MSG_REPORT_CLOSE : test,,1204069326375 from
10.69.80.2:2154
[junit] 2008-02-26 15:42:28,515 INFO [IPC Server handler 0 on 60000]
master.ServerManager(303): 10.69.80.2:2154 no longer serving test,,1204069326375
[junit] 2008-02-26 15:42:28,515 DEBUG [HMaster] master.HMaster(410): Main
processing loop: ProcessRegionClose of test,,1204069326375
[junit] 2008-02-26 15:42:28,515 INFO [HMaster]
master.ProcessRegionClose(61): region closed: test,,1204069326375
[junit] 2008-02-26 15:42:28,515 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:28,515 DEBUG [HMaster]
master.RegionServerOperation(75): numberOfMetaRegions: 1,
onlineMetaRegions.size(): 1
[junit] 2008-02-26 15:42:28,515 DEBUG [HMaster] regionserver.HRegion(1913):
DELETING region hdfs://localhost:2123/user/jim/test/1417693581
[junit] 2008-02-26 15:42:29,500 INFO [RegionManager.metaScanner]
master.BaseScanner(147): RegionManager.metaScanner scanning meta region
{regionname: .META.,,1, startKey: <>, server: 10.69.80.2:2154}
[junit] 2008-02-26 15:42:29,500 INFO [RegionManager.metaScanner]
master.BaseScanner(225): RegionManager.metaScanner scan of meta region
{regionname: .META.,,1, startKey: <>, server: 10.69.80.2:2154} complete
[junit] 2008-02-26 15:42:29,500 INFO [RegionManager.metaScanner]
master.MetaScanner(136): all meta regions scanned
[junit] 2008-02-26 15:42:29,515 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:30,515 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:31,531 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:32,531 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:33,531 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:34,531 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:35,531 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:36,531 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:37,531 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:37,546 INFO [RegionManager.rootScanner]
master.BaseScanner(147): RegionManager.rootScanner scanning meta region
{regionname: -ROOT-,,0, startKey: <>, server: 10.69.80.2:2154}
[junit] 2008-02-26 15:42:37,562 DEBUG [RegionManager.rootScanner]
master.BaseScanner(179): RegionManager.rootScanner regioninfo: {regionname:
.META.,,1, startKey: <>, endKey: <>, encodedName: 1028785192, tableDesc: {name:
.META., families: {info:={name: info, max versions: 1, compression: NONE, in
memory: false, block cache enabled: false, max length: 2147483647, bloom
filter: none}}}}, server: 10.69.80.2:2154, startCode: 1204069326359
[junit] 2008-02-26 15:42:37,562 INFO [RegionManager.rootScanner]
master.BaseScanner(225): RegionManager.rootScanner scan of meta region
{regionname: -ROOT-,,0, startKey: <>, server: 10.69.80.2:2154} complete
[junit] 2008-02-26 15:42:38,531 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:39,500 INFO [RegionManager.metaScanner]
master.BaseScanner(147): RegionManager.metaScanner scanning meta region
{regionname: .META.,,1, startKey: <>, server: 10.69.80.2:2154}
[junit] 2008-02-26 15:42:39,500 INFO [RegionManager.metaScanner]
master.BaseScanner(225): RegionManager.metaScanner scan of meta region
{regionname: .META.,,1, startKey: <>, server: 10.69.80.2:2154} complete
[junit] 2008-02-26 15:42:39,500 INFO [RegionManager.metaScanner]
master.MetaScanner(136): all meta regions scanned
[junit] 2008-02-26 15:42:39,531 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:40,531 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:41,531 INFO [RegionServer:0.worker]
regionserver.HRegionServer$Worker(726): MSG_REGION_CLOSE : test,,1204069326375
[junit] 2008-02-26 15:42:41,812 INFO [main] client.HBaseAdmin(248): table
test deleted
{code}
--
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