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https://issues.apache.org/jira/browse/CASSANDRA-7019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14156144#comment-14156144
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Marcus Eriksson commented on CASSANDRA-7019:
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bq. Just rewrite the existing tables minus tombstones without merging or
changing levels, as originally proposed
yeah this is probably the way to go, just hurts to have the compacted partition
in-hand and throw it away
> Major tombstone compaction
> --------------------------
>
> Key: CASSANDRA-7019
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7019
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Marcus Eriksson
> Assignee: Marcus Eriksson
> Labels: compaction
> Fix For: 3.0
>
>
> 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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