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From "Y. SREENIVASULU REDDY (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-13337) Table regions are not assigning back, after restarting all regionservers at once.
Date Thu, 26 Mar 2015 10:26:52 GMT
Y. SREENIVASULU REDDY created HBASE-13337:
---------------------------------------------

             Summary: Table regions are not assigning back, after restarting all regionservers
at once.
                 Key: HBASE-13337
                 URL: https://issues.apache.org/jira/browse/HBASE-13337
             Project: HBase
          Issue Type: Bug
          Components: Region Assignment
    Affects Versions: 2.0.0
            Reporter: Y. SREENIVASULU REDDY
            Priority: Blocker
             Fix For: 2.0.0


Regions of the table are continouly in state=FAILED_CLOSE.
{noformat}
Region					State																				RIT time (ms)
8f62e819b356736053e06240f7f7c6fd	t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd.
state=FAILED_CLOSE, ts=Thu Mar 26 15:05:36 IST 2015 (113s ago), server=VM1,16040,1427362531818
113929
caf59209ae65ea80fca6bdc6996a7d68	t1,dddddddd,1427362431330.caf59209ae65ea80fca6bdc6996a7d68.
state=FAILED_CLOSE, ts=Thu Mar 26 15:05:36 IST 2015 (113s ago), server=VM2,16040,1427362533691
113929
db52a74988f71e5cf257bbabf31f26f3	t1,44444444,1427362431330.db52a74988f71e5cf257bbabf31f26f3.
state=FAILED_CLOSE, ts=Thu Mar 26 15:05:36 IST 2015 (113s ago), server=VM3,16040,1427362533691
113920
43f3a65b9f9ff283f598c5450feab1f8	t1,88888888,1427362431330.43f3a65b9f9ff283f598c5450feab1f8.
state=FAILED_CLOSE, ts=Thu Mar 26 15:05:36 IST 2015 (113s ago), server=VM1,16040,1427362531818
113920
{noformat}

*Steps to reproduce:*
1. Start HBase cluster with more than one regionserver.
2. Create a table with precreated regions. (lets say 15 regions)
3. Make sure the regions are well balanced.
4. Restart all the Regionservers process at once across the cluster, except HMaster process
5. After restarting the Regionservers, successfully will connect to the HMaster.

*Bug:*
But no regions are assigning back to the Regionservers.

*Master log shows as follows:*
{noformat}
2015-03-26 15:05:36,201 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.RegionStates:
Transition {8f62e819b356736053e06240f7f7c6fd state=OFFLINE, ts=1427362536106, server=VM2,16040,1427362242602}
to {8f62e819b356736053e06240f7f7c6fd state=PENDING_OPEN, ts=1427362536201, server=VM1,16040,1427362531818}
2015-03-26 15:05:36,202 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.RegionStateStore:
Updating row t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd. with state=PENDING_OPEN&sn=VM1,16040,1427362531818
2015-03-26 15:05:36,244 DEBUG [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.AssignmentManager:
Force region state offline {8f62e819b356736053e06240f7f7c6fd state=PENDING_OPEN, ts=1427362536201,
server=VM1,16040,1427362531818}
2015-03-26 15:05:36,244 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.RegionStates:
Transition {8f62e819b356736053e06240f7f7c6fd state=PENDING_OPEN, ts=1427362536201, server=VM1,16040,1427362531818}
to {8f62e819b356736053e06240f7f7c6fd state=PENDING_CLOSE, ts=1427362536244, server=VM1,16040,1427362531818}
2015-03-26 15:05:36,244 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.RegionStateStore:
Updating row t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd. with state=PENDING_CLOSE
2015-03-26 15:05:36,248 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.AssignmentManager:
Server VM1,16040,1427362531818 returned java.nio.channels.ClosedChannelException for t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd.,
try=1 of 10
2015-03-26 15:05:36,248 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.AssignmentManager:
Server VM1,16040,1427362531818 returned java.nio.channels.ClosedChannelException for t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd.,
try=2 of 10
2015-03-26 15:05:36,249 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.AssignmentManager:
Server VM1,16040,1427362531818 returned java.nio.channels.ClosedChannelException for t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd.,
try=3 of 10
2015-03-26 15:05:36,249 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.AssignmentManager:
Server VM1,16040,1427362531818 returned java.nio.channels.ClosedChannelException for t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd.,
try=4 of 10
2015-03-26 15:05:36,249 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.AssignmentManager:
Server VM1,16040,1427362531818 returned java.nio.channels.ClosedChannelException for t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd.,
try=5 of 10
2015-03-26 15:05:36,250 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.AssignmentManager:
Server VM1,16040,1427362531818 returned java.nio.channels.ClosedChannelException for t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd.,
try=6 of 10
2015-03-26 15:05:36,250 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.AssignmentManager:
Server VM1,16040,1427362531818 returned java.nio.channels.ClosedChannelException for t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd.,
try=7 of 10
2015-03-26 15:05:36,250 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.AssignmentManager:
Server VM1,16040,1427362531818 returned java.nio.channels.ClosedChannelException for t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd.,
try=8 of 10
2015-03-26 15:05:36,251 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.AssignmentManager:
Server VM1,16040,1427362531818 returned java.nio.channels.ClosedChannelException for t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd.,
try=9 of 10
2015-03-26 15:05:36,251 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.AssignmentManager:
Server VM1,16040,1427362531818 returned java.nio.channels.ClosedChannelException for t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd.,
try=10 of 10
2015-03-26 15:05:36,251 WARN  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.RegionStates:
Failed to open/close 8f62e819b356736053e06240f7f7c6fd on VM1,16040,1427362531818, set to FAILED_CLOSE
2015-03-26 15:05:36,251 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.RegionStates:
Transition {8f62e819b356736053e06240f7f7c6fd state=PENDING_CLOSE, ts=1427362536244, server=VM1,16040,1427362531818}
to {8f62e819b356736053e06240f7f7c6fd state=FAILED_CLOSE, ts=1427362536251, server=VM1,16040,1427362531818}
2015-03-26 15:05:36,251 INFO  [VM2,16020,1427362216887-GeneralBulkAssigner-0] master.RegionStateStore:
Updating row t1,55555555,1427362431330.8f62e819b356736053e06240f7f7c6fd. with state=FAILED_CLOSE
{noformat}



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