Benoit Tellier created MAILBOX-405:
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             Summary: Strengthen RENAME resiliency with retries
                 Key: MAILBOX-405
                 URL: https://issues.apache.org/jira/browse/MAILBOX-405
             Project: James Mailbox
          Issue Type: Improvement
          Components: cassandra
            Reporter: Benoit Tellier


Today one of my users did rename a folder containing ~25 folders. The RENAME 
did fail with a Cassandra level "Write timeout".

This resulted in an half renamed folder, harming Thunderbird experience 
(subscriptions were not updated)

We are investigating the cause of the write timeout. So far "reactor 
concurrency" do not loo like being to blame - but 16 concurrent renames is 
likely too much. I propose to decrease this parameter.

Also, positioning a retry would help...



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