I agree with Pranay. I have experienced exactly the same on C* 2.1.2. /Thomas.
2015-04-03 19:33 GMT+02:00 Pranay Agarwal <agarwalpran...@gmail.com>: > I remember once that happening to me. The SStables were way beyond the > limit (32 default) but the compaction were still not starting. All I did > was "nodetool enableautocompaction keyspace table" and the compaction > immediately started and count of SSTables were down to normal level. It was > little surprising to me as well because I had never disabled compaction in > the first place. > > -Pranay > > On Fri, Apr 3, 2015 at 10:18 AM, Robert Coli <rc...@eventbrite.com> wrote: > >> On Fri, Apr 3, 2015 at 4:57 AM, Mantas Klasavičius < >> mantas.klasavic...@gmail.com> wrote: >> >>> Q1:is that what we should expect to happen? >>> >> A known problem with the current streaming paradigm when combined with >> vnodes is that newly bootstrapped nodes do a bunch of compaction. >> >> >>> Q2:what could be the reason of not reducing number of sstables? >>> >> nodetool setcompactionthroughput 0 # note, if you don't have spare i/o, >> this could negatively affect service time >> >> >>> Q3:what we need to do to reduce number of sstables per server? >>> >> Make sure you're compacting faster than you're writing and wait. >> >> =Rob >> http://twitter.com/rcolidba >> > >
