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2cf0c4bbf1
Due to regression introduced by 463d0ab, regular can compact in parallel a sstable
being compacted by cleanup, scrub or upgrade.
This redundancy causes resources to be wasted, write amplification is increased
and so does the operation time, etc.
That's a potential source of data resurrection because the now-owned data from
a sstable being compacted by both cleanup and regular will still exist in the
node afterwards, so resurrection can happen if node regains ownership.
Fixes #8155.
Signed-off-by: Raphael S. Carvalho <raphaelsc@scylladb.com>
Message-Id: <20210225172641.787022-1-raphaelsc@scylladb.com>