The problem was fixed by _decreasing_ heap size and applying changes on the least loaded node. Tyler, where saved caches are stored? /var/lib/cassandra/saved_caches? Would it help relieving heap load?
On Fri, Nov 11, 2011 at 6:29 PM, Tyler Hobbs <ty...@datastax.com> wrote: > You could also delete any saved caches, which might give you some more > breathing room. > > On Fri, Nov 11, 2011 at 7:53 PM, Mohit Anchlia <mohitanch...@gmail.com> > wrote: >> >> Can you temporarily increase the size of Heap and try? >> >> On Fri, Nov 11, 2011 at 5:21 PM, Oleg Tsvinev <oleg.tsvi...@gmail.com> >> wrote: >> > Hi everybody, >> > >> > We set row cache too high, 10000 or so and now all our 6 nodes fail >> > with OOM. I believe that high row cache causes OOMs. >> > >> > Now, we trying to change row cache sizes using cassandra-cli update >> > column family command but Cassandra nodes keep dying. >> > >> > Any help is appreciated, it's a production accident that lasts for too >> > long already. >> > >> > Thank you, >> > Oleg >> > > > > > -- > Tyler Hobbs > DataStax > >
