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https://issues.apache.org/jira/browse/CASSANDRA-7019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15389221#comment-15389221
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Branimir Lambov commented on CASSANDRA-7019:
--------------------------------------------
Rebased (which required a change in {{Scrubber.RowMergingSSTableIterator}}) and
added a commit to apply your comments. Uploaded at the same location, plus a
pull request for the dtest:
|[code|https://github.com/blambov/cassandra/tree/7019-rebased]|[new
dtest|https://github.com/riptano/cassandra-dtest/pull/1121]|[utests|http://cassci.datastax.com/view/Dev/view/blambov/job/blambov-7019-rebased-testall/]|[dtests|http://cassci.datastax.com/view/Dev/view/blambov/job/blambov-7019-rebased-dtest/]|
> Improve tombstone compactions
> -----------------------------
>
> Key: CASSANDRA-7019
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7019
> Project: Cassandra
> Issue Type: Improvement
> Components: Compaction
> Reporter: Marcus Eriksson
> Assignee: Branimir Lambov
> Labels: compaction, fallout, lcs
> Fix For: 3.x
>
> Attachments: 7019-2-system.log, 7019-debug.log, cell.tar.gz,
> control.tar.gz, none.tar.gz, row.tar.gz, temp-plot.html
>
>
> When there are no other compactions to do, we trigger a single-sstable
> compaction if there is more than X% droppable tombstones in the sstable.
> In this ticket we should try to include overlapping sstables in those
> compactions to be able to actually drop the tombstones. Might only be doable
> with LCS (with STCS we would probably end up including all sstables)
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