Re: Running Cassandra 1.1, how can I see the efficiency of the key cache?

2012-12-22 Thread Nick Bailey
The key cache and row cache graphs in OpsCenter broke when the caches moved from per column family to global. The next release of OpsCenter should fix that. -Nick On Sat, Dec 22, 2012 at 10:42 AM, Andrew Bialecki wrote: > Thanks, I'll take a look at that too. > > I also found that "nodetool in

Re: Running Cassandra 1.1, how can I see the efficiency of the key cache?

2012-12-22 Thread Andrew Bialecki
Thanks, I'll take a look at that too. I also found that "nodetool info" gives some information as well. For instance, here's what one node reads: Key Cache: size 104857584 (bytes), capacity 104857584 (bytes), 15085408 hits, 17336031 requests, 0.870 recent hit rate, 14400 save period in seconds.

RE: Running Cassandra 1.1, how can I see the efficiency of the key cache?

2012-12-22 Thread Wz1975
Jmx has cache hit rate.  Thanks. -Wei Sent from my Samsung smartphone on AT&Tnull