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Posted to dev@hbase.apache.org by "Jeffrey Zhong (JIRA)" <ji...@apache.org> on 2014/11/15 03:09:34 UTC

[jira] [Created] (HBASE-12485) Maintain SeqId monotonically increasing when Region Replica is on

Jeffrey Zhong created HBASE-12485:
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             Summary: Maintain SeqId monotonically increasing when Region Replica is on
                 Key: HBASE-12485
                 URL: https://issues.apache.org/jira/browse/HBASE-12485
             Project: HBase
          Issue Type: Sub-task
            Reporter: Jeffrey Zhong
            Assignee: Jeffrey Zhong


We added FLUSH, REGION CLOSE events into WAL, for each those events the region SeqId is bumped. 

The issue comes from region close operation. Because when opening a region, we use flushed SeqId from store files while after store flush during region close we still write COMMIT_FLUSH, REGION_CLOSE events etc which respectively bump up SeqId. Therefore, the region opening SeqId is lower than it should be.  




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