[jira] [Created] (CASSANDRA-6503) sstables from stalled repair sessions become live after a reboot and can resurrect deleted data

["Jeremiah Jordan (JIRA)" <ji...@apache.org>]

Jeremiah Jordan created CASSANDRA-6503:
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             Summary: sstables from stalled repair sessions become live after a reboot and can resurrect deleted data
                 Key: CASSANDRA-6503
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6503
             Project: Cassandra
          Issue Type: Bug
            Reporter: Jeremiah Jordan


The sstables streamed in during a repair session don't become active until the session finishes.  If something causes the repair session to hang for some reason, those sstables will hang around until the next reboot, and become active then.  If you don't reboot for 3 months, this can cause data to resurrect, as GC grace has expired, so tombstones for the data in those sstables may have already been collected.



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