I've seen similar slowdowns in 2.0 - roughly the same 15%. For instance, http://i.imgur.com/Qi6oo62.png
That's a comparison of 1.2.6 to 2.0beta1. Ignore the lines that say speculative_retry=95percentile and ALWAYS. Default 1.2 beats Default 2.0 in overall operation time. Bisecting the cause of the problem is on my TODO list. On Mon, Aug 12, 2013 at 2:27 PM, Jonathan Ellis <jbel...@gmail.com> wrote: > We haven't seen that in our tests. Suggest bisecting to figure out > what changed it for your workload. > > On Mon, Aug 12, 2013 at 2:47 AM, Radim Kolar <h...@filez.com> wrote: > > thrift, sync > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder, http://www.datastax.com > @spyced >