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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