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From "Jonathan Ellis (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-5492) Backport row-level bloom filter removal to 1.2
Date Thu, 18 Apr 2013 04:35:16 GMT
Jonathan Ellis created CASSANDRA-5492:

             Summary: Backport row-level bloom filter removal to 1.2
                 Key: CASSANDRA-5492
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
    Affects Versions: 1.2.0
            Reporter: Jonathan Ellis
            Assignee: Jonathan Ellis
            Priority: Minor
             Fix For: 1.2.5

With the possible presence of range tombstones, it is erroneous to skip checking for a given
column in SSTableNamesIterator because the bloom filter says it is not there.

This is fixed by CASSANDRA-5487, which ignores the BF, but it's a shame to leave unused bloom
filters cluttering up the row cache.

If it's too risky to do a full backport we can just substitute an AlwaysPresentFilter in RIE.create,
but I think the code removal is fairly straightforward.

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