Thanks Rob, But then shouldn't JVM C G it eventually ? I can still see Cassandra alive and kicking but looks like the heap is locked up even after the traffic is long stopped.
nodetool -h localhost flush didn't do much good. the version I am running is 1.0.12 (I know its due for a upgrade but gotto work with this for now). On Tue, Jun 18, 2013 at 12:13 PM, Robert Coli <rc...@eventbrite.com> wrote: > On Tue, Jun 18, 2013 at 8:25 AM, srmore <comom...@gmail.com> wrote: > > I see an issues when I run high traffic to the Cassandra nodes, the heap > > gets full to about 94% (which is expected) > > Which is expected to cause GC failure? ;) > > But seriously, the reason your node is unable to GC is that you have > filled your heap too fast for it to keep up. The JVM has seized up > like Joe Namath with vapor lock. > > > Any ideas as to how I can speed up this up and reclaim the heap ? > > Don't exhaust the ability of GC to C G. :) > > =Rob > PS - What version of cassandra? If you "nodetool -h localhost flush" > does it help? >