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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1750) Region opens and assignment running independent of shutdown processing
Date Wed, 05 Aug 2009 20:23:15 GMT
Region opens and assignment running independent of shutdown processing
----------------------------------------------------------------------

                 Key: HBASE-1750
                 URL: https://issues.apache.org/jira/browse/HBASE-1750
             Project: Hadoop HBase
          Issue Type: Bug
    Affects Versions: 0.20.0
            Reporter: stack
            Priority: Blocker


This is so broke, its hard to know where to start.

In the below, node 14 expires, we continue to take on messages from it queueing open region
todos for us to work on later.  Then we start to process shutdown of server 14.  Meantime
we are assigning it regions.

Later, not reported here.  The open of a particular region is queued on the todo list >
1 time.  Processing the 2nd and 3rd times we call the assignment a duplicate and tell remote
server close its region (it'll be same region as was in the first todo message).  It dutifully
closes without report.  Now we NSRE till the end of time trying to find this closed region.

{code}
2009-08-05 04:39:12,007 [main-SendThread] DEBUG org.apache.zookeeper.ClientCnxn: Got notification
sessionid:0x22e734176a0001
2009-08-05 04:39:12,007 [main-SendThread] DEBUG org.apache.zookeeper.ClientCnxn: Got WatchedEvent:
Znode change. Path: /hbase/rs/1249419499242 Type: NodeDeleted for sessionid 0x22e734176a0001
2009-08-05 04:39:12,007 [main-EventThread] INFO org.apache.hadoop.hbase.master.ServerManager:
14.powerset.com,60020,1249419499242 znode expired
2009-08-05 04:39:12,137 [IPC Server handler 22 on 60001] DEBUG org.apache.hadoop.hbase.master.RegionManager:
Assigning for address: XX.XX.XX.142:60020, startcode: 1249419499272, load: (requests=5, regions=243,
 
usedHeap=732, maxHeap=1391): total nregions to assign=7, nregions to reach balance=7, isMetaAssign=false
2009-08-05 04:39:13,028 [main-SendThread] DEBUG org.apache.zookeeper.ClientCnxn: Got ping
response for sessionid:0x22e734176a0001 after 0ms
2009-08-05 04:39:13,554 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_PROCESS_OPEN: TestTable,0707104931,1249439925123 from 14.powerset.com,60
020,1249447142944; 1 of 19
2009-08-05 04:39:13,554 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_PROCESS_OPEN: TestTable,0807477918,1249435417405 from 14.powerset.com,60
020,1249447142944; 2 of 19
2009-08-05 04:39:13,554 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_PROCESS_OPEN: TestTable,0239771780,1249436471662 from 14.powerset.com,60
020,1249447142944; 3 of 19
2009-08-05 04:39:13,554 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_PROCESS_OPEN: TestTable,0295087929,1249438529628 from 14.powerset.com,60
020,1249447142944; 4 of 19
2009-08-05 04:39:13,554 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_PROCESS_OPEN: TestTable,0344538034,1249438625837 from 14.powerset.com,60
020,1249447142944; 5 of 19
2009-08-05 04:39:13,554 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_PROCESS_OPEN: TestTable,0067977092,1249431465797 from 14.powerset.com,60
020,1249447142944; 6 of 19
2009-08-05 04:39:13,554 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_PROCESS_OPEN: TestTable,0521945645,1249426826597 from 14.powerset.com,60
020,1249447142944; 7 of 19
2009-08-05 04:39:13,554 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_PROCESS_OPEN: TestTable,0221136504,1249447128488 from 14.powerset.com,60
020,1249447142944; 8 of 19
2009-08-05 04:39:13,555 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_PROCESS_OPEN: TestTable,0272411446,1249433459428 from 14.powerset.com,60
020,1249447142944; 9 of 19
2009-08-05 04:39:13,555 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_OPEN: TestTable,0284541889,1249434580130 from 14.powerset.com,60020,1249
447142944; 10 of 19
2009-08-05 04:39:13,555 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_OPEN: TestTable,0707104931,1249439925123 from 14.powerset.com,60020,1249
447142944; 11 of 19
2009-08-05 04:39:13,555 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_OPEN: TestTable,0807477918,1249435417405 from 14.powerset.com,60020,1249
447142944; 12 of 19
2009-08-05 04:39:13,555 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_OPEN: TestTable,0239771780,1249436471662 from 14.powerset.com,60020,1249
447142944; 13 of 19
2009-08-05 04:39:13,555 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_OPEN: TestTable,0295087929,1249438529628 from 14.powerset.com,60020,1249
447142944; 14 of 19
2009-08-05 04:39:13,555 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_OPEN: TestTable,0344538034,1249438625837 from 14.powerset.com,60020,1249
447142944; 15 of 19
2009-08-05 04:39:13,555 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_OPEN: TestTable,0067977092,1249431465797 from 14.powerset.com,60020,1249
447142944; 16 of 19
2009-08-05 04:39:13,555 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_OPEN: TestTable,0521945645,1249426826597 from 14.powerset.com,60020,1249
447142944; 17 of 19
2009-08-05 04:39:13,555 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_OPEN: TestTable,0221136504,1249447128488 from 14.powerset.com,60020,1249
447142944; 18 of 19
2009-08-05 04:39:13,555 [IPC Server handler 4 on 60001] INFO org.apache.hadoop.hbase.master.ServerManager:
Processing MSG_REPORT_OPEN: TestTable,0272411446,1249433459428 from 14.powerset.com,60020,1249
447142944; 19 of 19
2009-08-05 04:39:14,260 [IPC Server handler 24 on 60001] DEBUG org.apache.hadoop.hbase.master.RegionManager:
Assigning for address: XX.XX.XX.140:60020, startcode: 1249419499240, load: (requests=0, regions=236,
 
usedHeap=644, maxHeap=1391): total nregions to assign=7, nregions to reach balance=7, isMetaAssign=false
2009-08-05 04:39:14,994 [IPC Server handler 3 on 60001] DEBUG org.apache.hadoop.hbase.master.RegionManager:
Assigning for address: XX.XX.XX.139:60020, startcode: 1249419499241, load: (requests=0, regions=242,
u
sedHeap=715, maxHeap=1391): total nregions to assign=7, nregions to reach balance=7, isMetaAssign=false
2009-08-05 04:39:15,196 [IPC Server handler 2 on 60001] DEBUG org.apache.hadoop.hbase.master.RegionManager:
Assigning for address: XX.XX.XX.142:60020, startcode: 1249419499272, load: (requests=0, regions=243,
u
sedHeap=733, maxHeap=1391): total nregions to assign=7, nregions to reach balance=7, isMetaAssign=false
2009-08-05 04:39:15,289 [HMaster-SendThread] DEBUG org.apache.zookeeper.ClientCnxn: Got ping
response for sessionid:0x22e734176a0002 after 1ms
2009-08-05 04:39:15,319 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,321 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,321 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,322 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,323 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,325 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:14,260 [IPC Server handler 24 on 60001] DEBUG org.apache.hadoop.hbase.master.RegionManager:
Assigning for address: XX.XX.XX.140:60020, startcode: 1249419499240, load: (requests=0, regions=236,

usedHeap=644, maxHeap=1391): total nregions to assign=7, nregions to reach balance=7, isMetaAssign=false
2009-08-05 04:39:14,994 [IPC Server handler 3 on 60001] DEBUG org.apache.hadoop.hbase.master.RegionManager:
Assigning for address: XX.XX.XX.139:60020, startcode: 1249419499241, load: (requests=0, regions=242,
u
sedHeap=715, maxHeap=1391): total nregions to assign=7, nregions to reach balance=7, isMetaAssign=false
2009-08-05 04:39:15,196 [IPC Server handler 2 on 60001] DEBUG org.apache.hadoop.hbase.master.RegionManager:
Assigning for address: XX.XX.XX.142:60020, startcode: 1249419499272, load: (requests=0, regions=243,
u
sedHeap=733, maxHeap=1391): total nregions to assign=7, nregions to reach balance=7, isMetaAssign=false
2009-08-05 04:39:15,289 [HMaster-SendThread] DEBUG org.apache.zookeeper.ClientCnxn: Got ping
response for sessionid:0x22e734176a0002 after 1ms
2009-08-05 04:39:15,319 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,321 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,321 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,322 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,323 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,325 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,327 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,328 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,330 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: RegionAssignmentHistorian from 14.powerset.com,60020,1249447142944
2009-08-05 04:39:15,331 [HMaster] DEBUG org.apache.hadoop.hbase.master.HMaster: Processing
todo: ProcessServerShutdown of 14.powerset.com,60020,1249419499242
2009-08-05 04:39:15,331 [HMaster] INFO org.apache.hadoop.hbase.master.RegionServerOperation:
process shutdown of server 14.powerset.com,60020,1249419499242: logSplit: false, rootRescanned:
false, numbe
rOfMetaRegions: 1, onlineMetaRegions.size(): 1
2009-08-05 04:39:15,340 [HMaster] INFO org.apache.hadoop.hbase.regionserver.HLog: Splitting
34 hlog(s) in hdfs://12.powerset.com:9002/hbase/.logs/14.powerset.com,60020,1249419499242
2009-08-05 04:39:15,341 [HMaster] DEBUG org.apache.hadoop.hbase.regionserver.HLog: Splitting
hlog 1 of 34: hdfs://12.powerset.com:9002/hbase/.logs/14.powerset.com,60020,1249419499242/hlog.dat
.1249446428006, length=58628658
2009-08-05 04:39:15,412 [HMaster] DEBUG org.apache.hadoop.hbase.regionserver.HLog: Adding
queue for TestTable,0855568194,1249436793311
2009-08-05 04:39:15,989 [HMaster] DEBUG org.apache.hadoop.hbase.regionserver.HLog: Adding
queue for TestTable,0839835862,1249431318932
2009-08-05 04:39:16,030 [HMaster] DEBUG org.apache.hadoop.hbase.regionserver.HLog: Adding
queue for TestTable,0470769394,1249439783171
2009-08-05 04:39:16,566 [IPC Server handler 0 on 60001] DEBUG org.apache.hadoop.hbase.master.RegionManager:
Assigning for address: XX.XX.XX.141:60020, startcode: 1249447142944, load: (requests=0, regions=10,
us
edHeap=51, maxHeap=1391): total nregions to assign=7, nregions to reach balance=0, isMetaAssign=false
2009-08-05 04:39:16,566 [IPC Server handler 0 on 60001] DEBUG org.apache.hadoop.hbase.master.RegionManager:
Doing for address: XX.XX.XX.141:60020, startcode: 1249447142944, load: (requests=0, regions=10,
usedHe
ap=51, maxHeap=1391) nregions: 7 and nRegionsToAssign: 7
2009-08-05 04:39:16,566 [IPC Server handler 0 on 60001] INFO org.apache.hadoop.hbase.master.RegionManager:
Assigning region TestTable,0196260871,1249434878197 to 14.powerset.com,60020,1249447142944
2009-08-05 04:39:16,566 [IPC Server handler 0 on 60001] INFO org.apache.hadoop.hbase.master.RegionManager:
Assigning region TestTable,0831634449,1249445668584 to 14.powerset.com,60020,1249447142944
2009-08-05 04:39:16,566 [IPC Server handler 0 on 60001] INFO org.apache.hadoop.hbase.master.RegionManager:
Assigning region TestTable,0621687088,1249440865643 to 14.powerset.com,60020,1249447142944
2009-08-05 04:39:16,566 [IPC Server handler 0 on 60001] INFO org.apache.hadoop.hbase.master.RegionManager:
Assigning region TestTable,0046898120,1249435993439 to 14.powerset.com,60020,1249447142944
2009-08-05 04:39:16,566 [IPC Server handler 0 on 60001] INFO org.apache.hadoop.hbase.master.RegionManager:
Assigning region TestTable,0706868362,1249439909374 to 14.powerset.com,60020,1249447142944
2009-08-05 04:39:16,566 [IPC Server handler 0 on 60001] INFO org.apache.hadoop.hbase.master.RegionManager:
Assigning region TestTable,0226534644,1249438950155 to 14.powerset.com,60020,1249447142944
{code}


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