On Mon, Feb 13, 2012 at 8:15 PM, Peter Schuller <peter.schul...@infidyne.com > wrote:
> > 2 Node cluster, 7.9GB of ram (ec2 m1.large) > > RF=2 > > 11GB per node > > Quorum reads > > 122 million keys > > heap size is 1867M (default from the AMI I am running) > > I'm reading about 900k keys > > Ok, so basically a very significant portion of the data fits in page > cache, but not all. > yep > > > As I was just going through cfstats - I noticed something I don't > understand > > > > Key cache capacity: 906897 > > Key cache size: 906897 > > > > I set the key cache to 2million, it's somehow got to a rather odd number > > You're on 1.0 +? yep 1.07 > Nowadays there is code to actively make caches > smaller if Cassandra detects that you seem to be running low on heap. > Watch cassandra.log for messages to that effect (don't remember the > exact message right now). > > I just grep'd the logs and couldn't see anything that looked like that > -- > / Peter Schuller (@scode, http://worldmodscode.wordpress.com) > -- *Franc Carter* | Systems architect | Sirca Ltd <marc.zianideferra...@sirca.org.au> franc.car...@sirca.org.au | www.sirca.org.au Tel: +61 2 9236 9118 Level 9, 80 Clarence St, Sydney NSW 2000 PO Box H58, Australia Square, Sydney NSW 1215
