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From Robert Coli <rc...@eventbrite.com>
Subject Re: Automatic tombstone removal issue (STCS)
Date Wed, 07 May 2014 00:27:53 GMT
On Tue, May 6, 2014 at 5:14 PM, Paulo Ricardo Motta Gomes <
paulo.motta@chaordicsystems.com> wrote:

> Sorry for being persistent, but I'd love to clear my understanding on
> this. Has anyone seen single sstable compaction being triggered for STCS
> sstables with high tombstone ratio?
>
> Because if the above understanding is correct, the current implementation
> almost never triggers this kind of compaction, since the token ranges of a
> node's sstable almost always overlap. Could this be a bug or is it expected
> behavior?
>

Unfortunately, this is probably a better question for either the
cassandra-dev mailing list or the Apache JIRA issues tracker or #cassandra.

I would not at all be surprised if STCS + opportunistic compaction + vnodes
has an edge case like this.

=Rob

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