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Posted to issues@kudu.apache.org by "Mike Percy (JIRA)" <ji...@apache.org> on 2019/04/23 17:14:00 UTC

[jira] [Created] (KUDU-2793) Design a scan to detect KUDU-2233 corruption in a replica

Mike Percy created KUDU-2793:
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             Summary: Design a scan to detect KUDU-2233 corruption in a replica
                 Key: KUDU-2793
                 URL: https://issues.apache.org/jira/browse/KUDU-2793
             Project: Kudu
          Issue Type: Task
          Components: tablet
    Affects Versions: 1.8.0
            Reporter: Mike Percy


We should design a scan to detect corruption in a replica as a result of KUDU-2233. This may simply be a checksum scan, which we already support, but that has not been verified.

Today, when compaction is triggered in a KUDU-2233 corrupted replica, the tablet server will crash with a CHECK error. Ideally, when this detection scan notices such a corruption, it would cause the corrupt local replica to enter a FAILED tablet state. However, causing a crash might also be acceptable in controlled scenarios.



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