You could have dropped mutations without downtime. Check nodetool tpstats. On Fri, Nov 13, 2015 at 2:48 PM Peddi, Praveen <pe...@amazon.com> wrote:
> Hi Rob, > We do not currently run repairs because we know our deployment time for > each cassandra node is very short. I do understand we have to run repairs > but would repair be in the picture here when no nodes in the cluster were > down for last 2 weeks? > > Thanks > Praveen > > From: Robert Coli <rc...@eventbrite.com> > Reply-To: "user@cassandra.apache.org" <user@cassandra.apache.org> > Date: Friday, November 13, 2015 at 4:36 PM > > To: "user@cassandra.apache.org" <user@cassandra.apache.org> > Subject: Re: Deletes Reappeared even when nodes are not down > > On Fri, Nov 13, 2015 at 1:09 PM, Peddi, Praveen <pe...@amazon.com> wrote: > >> We are seeing a scenario where some of the rows in the table reappears >> even after they are deleted. We have seen this in Prod 3 times in last 1 >> week and *coincidentally all 3 times on the same partition*. We have >> confirmed that nodes didn’t go down (they were all started on Oct 28). I do >> not see any resource issues (CPU is around 5%, memory < 10%, iostats looks >> normal etc) on any nodes. >> > > Do you run repair once every gc_grace_seconds? > > =Rob > >
