[jira] [Created] (CASSANDRA-9596) Tombstone timestamps aren't used to skip SSTables while they are still in the memtable

[Richard Low (JIRA)]

Richard Low created CASSANDRA-9596:
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             Summary: Tombstone timestamps aren't used to skip SSTables while 
they are still in the memtable
                 Key: CASSANDRA-9596
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9596
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
            Reporter: Richard Low
             Fix For: 2.0.x


If you have one SSTable containing a partition level tombstone at timestamp t 
and all other SSTables have cells with timestamp < t, Cassandra will skip all 
the other SSTables and return nothing quickly. However, if the partition 
tombstone is still in the memtable it doesn’t skip any SSTables. It should use 
the same timestamp logic to skip all SSTables.



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