What compaction strategy are you migrating from? If you're migrating from STCS it's likely that when switching to TWCS no extra compactions are necessary, as the SSTables will be put into their respective windows but there won't be enough candidates for compaction within a window.
Kurt Greaves k...@instaclustr.com www.instaclustr.com On 8 November 2016 at 21:11, Oskar Kjellin <oskar.kjel...@gmail.com> wrote: > Hi, > > You could manually trigger it with nodetool compact. > > /Oskar > > > On 8 nov. 2016, at 21:47, Lahiru Gamathige <lah...@highfive.com> wrote: > > > > Hi Users, > > > > I am thinking of migrating our timeseries tables to use TWCS. I am using > JMX to set the new compaction and one node at a time and I am not sure how > to confirm that after the flush all the compaction is done in each node. I > tried this in a small cluster but after setting the compaction I didn't see > any compaction triggering and ran nodetool flush and still didn't see a > compaction triggering. > > > > Now I am about to do the same thing in our staging cluster, so curious > how do I confirm compaction ran in each node before I change the table > schema because I am worried it will start the compaction in all the nodes > at the same time. > > > > Lahiru >
