Duo Zhang created HBASE-28114:
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Summary: Replication log reader should not simply quit when queue
is empty
Key: HBASE-28114
URL: https://issues.apache.org/jira/browse/HBASE-28114
Project: HBase
Issue Type: Bug
Components: Replication
Reporter: Duo Zhang
Assignee: Duo Zhang
Fix For: 2.6.0, 3.0.0-beta-1
In HBASE-28037, [~Xiaolin Ha] found that there could be a very small window
that even for a normal replication source, its queue could be empty.
This is because we will only enqueue the wal file to the queue in postLogRoll,
where the old WAL writer has already been closed, so if the replication is fast
enough, we could reach the end of the queue before enqueuing the new wal file.
The code for branch-2+ has been refactored a lot so we opened a new issue for
fixing this.
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