Ekaterina Dimitrova created CASSANDRA-15930:
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Summary: Follow up CASSANDRA-15685
Key: CASSANDRA-15930
URL: https://issues.apache.org/jira/browse/CASSANDRA-15930
Project: Cassandra
Issue Type: Improvement
Reporter: Ekaterina Dimitrova
While working on CASSANDRA-15685, we acknowledged that there is an edge case
not handled. If we try to run
Preview repair isn't allowed to be run concurrently with IR. If we run it right
after IR and IR completes before the completion message is handled on the
participant; the below is impacted by this race condition.
{code:java}
nodetool repair foo bar
# does not look to be running concurrently with the above IR, since it was
notified of success
# but the commit message may not have been seen yet which cause this to be
concurrent with the above
nodetool repair foo bar --validate
{code}
See here
[https://github.com/apache/cassandra/blob/ec1808a34f9aa5ae0b956c1527828566f4ba2be5/src/java/org/apache/cassandra/repair/consistent/CoordinatorSession.java#L234-L244].
We send the message but don't make sure its ack on.
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