Re: Perf regression between 2.2.5 and 3.11

2017-01-25 Thread Dikang Gu
We still see perf regression with the otc_coalescing_strategy disabled, and on 3.0.10 branches as well. We can share our stress test results here. @Sankalp, are you guys seeing any throughput regressions on 3.0.10 branch? Thanks. On Thu, Jan 19, 2017 at 2:33 PM, Jeremiah D Jordan < jeremiah.jor.

Re: Perf regression between 2.2.5 and 3.11

2017-01-25 Thread Nate McCall
There was CASSANDRA-12269 fixed in 3.10 recently as well. On Wed, Jan 25, 2017 at 11:47 AM, Dikang Gu wrote: > We still see perf regression with the otc_coalescing_strategy disabled, and > on 3.0.10 branches as well. We can share our stress test results here. > > @Sankalp, are you guys seeing any

tracing improvements

2017-01-25 Thread Sam Overton
Hello cassandra-dev, I would like to continue the momentum on improving Cassandra's tracing, following Mick's excellent work on pluggable tracing and Zipkin support. There are a couple of areas we can improve that would make tracing an even more useful tool for cluster operators to diagnose ongoi

Re: Perf regression between 2.2.5 and 3.11

2017-01-25 Thread sankalp kohli
We are just getting started with 3.0.10. Will let you know. On Wed, Jan 25, 2017 at 12:00 PM, Nate McCall wrote: > There was CASSANDRA-12269 fixed in 3.10 recently as well. > > On Wed, Jan 25, 2017 at 11:47 AM, Dikang Gu wrote: > > We still see perf regression with the otc_coalescing_strategy d

Re: tracing improvements

2017-01-25 Thread Corentin Chary
On Wed, Jan 25, 2017 at 9:55 PM, Sam Overton wrote: > Hello cassandra-dev, > > I would like to continue the momentum on improving Cassandra's tracing, > following Mick's excellent work on pluggable tracing and Zipkin support. > > There are a couple of areas we can improve that would make tracing a