Appear in 94. trunk is ok for the issue
Balancer will collect the regionplans to move(unassign and then assign).
before unassign, disable table appears,
after close the region in rs, master will delete the znode, romove region from RIT,
and then clean the region from the online regions.
During romoving region from RIT and cleaning out the region from the online regions.
balancer begins to unassign, it will get a NotServingRegionException and if the table is disabling, it will deal with the state in master and delete the znode . However the table is disabled now, so the RIT and znode will remain. TimeoutMonitor draws a blank on it.
It will hold back enabling the table or balancer unless restart
|Field||Original Value||New Value|
|Summary||Balancer compete with disable table will lead to master abort||Balancer compete with disable table will lead to cluster inconsistent|
|Attachment||HBASE-6537-94.patch [ 12540000 ]|
|Fix Version/s||0.94.2 [ 12321884 ]|
|Fix Version/s||0.94.1 [ 12320257 ]|
|Attachment||HBASE-6537-94-v2.patch [ 12540261 ]|
|Status||Patch Available [ 10002 ]||Open [ 1 ]|
|Assignee||Zhou wenjian [ zhou wen jian ]|
|Summary||Balancer compete with disable table will lead to cluster inconsistent||Race between balancer and disable table can lead to inconsistent cluster|
|Status||Patch Available [ 10002 ]||Resolved [ 5 ]|
|Resolution||Fixed [ 1 ]|
|Status||Resolved [ 5 ]||Closed [ 6 ]|
|Transition||Time In Source Status||Execution Times||Last Executer||Last Execution Date|
|35m 22s||1||Zhou wenjian||20/Aug/12 04:20|
|10d 17h 28m||2||Zhou wenjian||20/Aug/12 04:20|
|11d 33m||1||Lars Hofhansl||31/Aug/12 04:54|
|54d 1h 46m||1||Lars Hofhansl||24/Oct/12 06:40|