Marcus Eriksson created CASSANDRA-7019:
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             Summary: Major tombstone compaction
                 Key: CASSANDRA-7019
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7019
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Marcus Eriksson


It should be possible to do a "major" tombstone compaction by including all 
sstables, but writing them out 1:1, meaning that if you have 10 sstables 
before, you will have 10 sstables after the compaction with the same data, 
minus all the expired tombstones.

We could do this in two ways:
# a nodetool command that includes _all_ sstables
# once we detect that an sstable has more than x% (20%?) expired tombstones, we 
start one of these compactions, and include all overlapping sstables that 
contain older data.



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