I've never noticed that that setting tombstone_threshold has any effect... at least in 2.0.6.
What gets written to the log? On Fri, Apr 11, 2014 at 3:31 PM, DuyHai Doan <doanduy...@gmail.com> wrote: > I was wondering, to remove the tombstones from Sstables created by LCS, > why don't we just set the tombstone_threshold table property to a very > small value (say 0.01)..? > > As the doc said ( > www.datastax.com/documentation/cql/3.0/cql/cql_reference/compactSubprop.html) > this will force compaction on the sstable itself for the purpose of > cleaning tombstones, no merging with other sstables is done. > > In addition this property applies to both compaction strategies :-) > > Isn't a little bit lighter than changing strategy and hoping for the best? > > Regards > > Duy Hai DOAN > Le 11 avr. 2014 20:16, "Robert Coli" <rc...@eventbrite.com> a écrit : > > On Fri, Apr 11, 2014 at 10:33 AM, Paulo Ricardo Motta Gomes < >> paulo.mo...@chaordicsystems.com> wrote: >> >>> My question is : Is there a way to force tombstones to be clared with >>> LCS? Does scrub help in any case? >>> >> >> 1) Switch to size tiered compaction, compact, and switch back. Not only >> "with LCS", but... >> >> 2) scrub does a 1:1 rewrite of sstables, watching for corruption. I >> believe it does throw away tombstones if it is able to, but that is not the >> purpose of it. >> >> =Rob >> >>
