2300 * 5MB / 1024 = 11GB Check the logs for GC problems.
Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 20/06/2012, at 8:39 PM, Nury Redjepow wrote: > Good day, > > I'm load testing our cassandra instance. I have a column family with 2300 > rows, each being ~ 5MB. And I run same query which asks for same rows. With > caching='keys_only" response time is adequate. But with caching='ALL', we get > four times larger response time and 40-50$ of requests don't get served, > error is returned. > > So I'm asking if 5MB rows are too big to be using row cache? Or maybe I > should do some memory tweaks? > > I'm using Cassand 1.1.10, JNA enabled. > > Sincerely, Nury.