Re: Performance drop of current Java drivers

2020-05-07 Thread Matthias Pfau
Perfect, thanks for looking into this! Best, Matthias 5. Mai 2020, 20:01 von erik.mer...@datastax.com: > Matthias, > > Thanks for sharing your findings and test code. We were able to track this to > a regression in the underlying Netty library and already have a similar issue > reported here:

Re: Performance drop of current Java drivers

2020-05-05 Thread Erik Merkle
Matthias, Thanks for sharing your findings and test code. We were able to track this to a regression in the underlying Netty library and already have a similar issue reported here: https://datastax-oss.atlassian.net/browse/JAVA-2676 The regression seems to be with the upgrade to Netty version

Re: Performance drop of current Java drivers

2020-05-04 Thread Matthias Pfau
Hi Chris and Adam, thanks for looking into this! You can find my tests for old/new client here: https://gist.github.com/mpfau/7905cea3b73d235033e4f3319e219d15 https://gist.github.com/mpfau/a62cce01b83b56afde0dbb588470bc18 May 1, 2020, 16:22 by adam.holmb...@datastax.com: > Also, if you can

Re: Performance drop of current Java drivers

2020-05-01 Thread Adam Holmberg
Also, if you can share your schema and benchmark code, that would be a good start. On Fri, May 1, 2020 at 7:09 AM Chris Splinter wrote: > Hi Matthias, > > I have forwarded this to the developers that work on the Java driver and > they will be looking into this first thing next week. > > Will

Re: Performance drop of current Java drivers

2020-05-01 Thread Chris Splinter
Hi Matthias, I have forwarded this to the developers that work on the Java driver and they will be looking into this first thing next week. Will circle back here with findings, Chris On Fri, May 1, 2020 at 12:28 AM Erick Ramirez wrote: > Matthias, I don't have an answer to your question but

Re: Performance drop of current Java drivers

2020-04-30 Thread Erick Ramirez
Matthias, I don't have an answer to your question but I just wanted to note that I don't believe the driver contributors actively watch this mailing list (I'm happy to be corrected  ) so I'd recommend you cross-post in the Java driver channels as well. Cheers!

Performance drop of current Java drivers

2020-04-30 Thread Matthias Pfau
Hi there, I just did some testing with latest 3.x and 4.x version of the java driver. While async performance seems to be fine, sync performance degraded significantly with version 4.x. Reading 10.000 small columns from a local cassandra instance took: * around 5 seconds with the old driver *