> > >> Is there some other mechanism for forcing expired data to be removed > without also compacting? (major compaction having obvious problematic side > effects, and user defined compaction being significant work to script up). > > Online scrubs will, as a side effect, purge expired tombstones *when possible* (even expired data cannot be removed if it possibly overwrite some older data in some other sstable than the one scubbed). Please don't take that as me saying that this is a "guarantee" of scrub: it is just one of its current implementation side effect and it might very well change tomorrow.
-- Sylvain
