Re: what could change between .13 and .21 that caused perf degradation?

2015-07-08 Thread Denis Samoylov
hi Dormando, launch params: memcached -d -p 11211 -u nobody -m 1024 -c 128000 -P /var/run/memcached/memcached.pid -r -t 8 -v (ya, i know about 128K :) ) multiconnection performance is a bit better in .21. See below. I am still going to build .24 (i see big improvement there by release

what could change between .13 and .21 that caused perf degradation?

2015-07-07 Thread Denis Samoylov
hi, Does anybody know what can change between .13 ( STAT version 1.4.13, STAT libevent 1.4.13-stable) and .21 (STAT version 1.4.21 STAT libevent 2.0.21-stable)? memcached became about 15-20% slower. We discovered this in production but there are too many moving parts. So I used twemperf

Re: what could change between .13 and .21 that caused perf degradation?

2015-07-07 Thread dormando
What happens with more than one connection? A lot of things changed to increase the scalability of it but single thread might be meh. What're the memcached start args? What exactly is that test doing? gets/sets? Is .24 any better? On Tue, 7 Jul 2015, Denis Samoylov wrote: hi, Does anybody