On Wed, Mar 31, 2010 at 6:21 PM, James Golick <jamesgol...@gmail.com> wrote: > Keyspace: ActivityFeed > Read Count: 699443 > Read Latency: 16.11017477192566 ms.
> Column Family: Events > Read Count: 232378 > Read Latency: 0.396 ms. > Row cache capacity: 500000 > Row cache size: 62768 > Row cache hit rate: 0.007716049382716049 This says that - recent queries to Events are much faster than the lifetime average for your Keyspace - even though you have almost no row cache hits (~1700 out of 232000 reads) Not sure what to make of that, tbh. If it were me I would try to reproduce on a test machine w/o all that pesky live traffic confusing things. -Jonathan