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Posted to commits@cassandra.apache.org by "Stefan Podkowinski (JIRA)" <ji...@apache.org> on 2017/09/27 11:37:00 UTC

[jira] [Created] (CASSANDRA-13912) Avoid doing read repairs on repaired data

Stefan Podkowinski created CASSANDRA-13912:
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             Summary: Avoid doing read repairs on repaired data
                 Key: CASSANDRA-13912
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13912
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Stefan Podkowinski


While thinking about [~slebresne]'s proposal in CASSANDRA-13910, I found myself wondering if we shouldn't also change the read repair behaviour to never work on data that already has been repaired by anti-entropy repair before. Any mismatches on already repaired data could as well be caused by a bug (see CASSANDRA-13004) and writing the data back again will probably do more harm than good. 



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