Duo Zhang created HBASE-26449:
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Summary: The way we add or clear failedReplicas may have race
Key: HBASE-26449
URL: https://issues.apache.org/jira/browse/HBASE-26449
Project: HBase
Issue Type: Sub-task
Components: read replicas
Reporter: Duo Zhang
We will add a replica to failedReplicas in the callback of the replay method
call, and we will clear the failedReplicas in add method when we meet a flush
all edit.
They are in different threads, so it is possible that, we have already clear
the failedReplicas due to a flush all edit, then in the callback of replay, we
add a replica to the failedReplicas because of a failure of replicating,
although the failure is actually before the flush all edit.
We should find a way to fix this.
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