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Posted to issues@geode.apache.org by "Dan Smith (Jira)" <ji...@apache.org> on 2019/12/11 00:30:00 UTC

[jira] [Created] (GEODE-7569) Hang during StateFlush due to new flipping the containsRegionContentChange on PartitionMessageWithDirectReply

Dan Smith created GEODE-7569:
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             Summary: Hang during StateFlush due to new flipping the containsRegionContentChange on PartitionMessageWithDirectReply
                 Key: GEODE-7569
                 URL: https://issues.apache.org/jira/browse/GEODE-7569
             Project: Geode
          Issue Type: Bug
          Components: membership
            Reporter: Dan Smith


The recent changes in GEODE-7435 in e3a31e190031f094ac3bd1517722d6bead710418 have caused a distributed deadlock when making a copy of a bucket.

These changes flipped the value of containsRegionContentChange for PartitionMessageWithDirectReply.

That flag controls what messages participate in a state flush operation. Now, many new messages are part of a state flush, including messages which trigger bucket creation. This causes the following distributed deadlock:

1. Member A is waiting for a StateFlush to finish
2. Member B is stuck in StateStabilizationMessage, waiting for messages to be processed
3. Member B is in the middle of processing some messages, which is what is holding up the StateStabilizationMessage
4. Some of those messages are PartitionMessageWithDirectReply messages that end up triggering createBucketAtomically. That method is blocks waiting for bucket creation in Member A to finish.



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