Concurrent processing of DeleteTableHandler and ServerShutdownHandler may cause
deleted region to assign again
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Key: HBASE-5165
URL: https://issues.apache.org/jira/browse/HBASE-5165
Project: HBase
Issue Type: Bug
Affects Versions: 0.90.4
Reporter: chunhui shen
Concurrent processing of DeleteTableHandler and ServerShutdownHandler may cause
following situation
1.Table has already be disabled.
2.ServerShutdownHandler is doing MetaReader.getServerUserRegions.
3.When step2 is processing or is completed just now, DeleteTableHandler starts
to delete region(Remove region from META and Delete region from FS)
4.DeleteTableHandler set table enabled.
4.ServerShutdownHandler is starting to assign region which is alread deleted by
DeleteTableHandler.
The result of above operations is producing an invalid record in .META. and
can't be fixed by hbck
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