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From "Blake Eggleston (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-13758) Incremental repair sessions shouldn't be deleted if they still have sstables
Date Fri, 11 Aug 2017 21:14:00 GMT
Blake Eggleston created CASSANDRA-13758:
-------------------------------------------

             Summary: Incremental repair sessions shouldn't be deleted if they still have
sstables
                 Key: CASSANDRA-13758
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13758
             Project: Cassandra
          Issue Type: Bug
            Reporter: Blake Eggleston
            Assignee: Blake Eggleston


The incremental session cleanup doesn't verify that there are no remaining sstables marked
as part of the repair before deleting it. Deleting a successful repair session which still
has outstanding sstables will cause those sstables to be demoted to unrepaired, creating an
inconsistency.

This typically wouldn't be an issue, since we'd expect the sstables to long since have been
promoted / demoted. However, I've seen a few ref leak issues which can cause sstables to get
stuck. Those have been fixed, but we should still protect against that edge case to prevent
inconsistencies caused by future (or currently unknown) bugs.



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