18:15:01 #startmeeting cperf 18:15:01 Meeting started Thu Aug 23 18:15:01 2018 UTC. The chair is sai_999. Information about MeetBot at http://wiki.debian.org/MeetBot. 18:15:01 Useful Commands: #action #agreed #help #info #idea #link #topic. 18:15:01 The meeting name has been set to 'cperf' 18:15:21 #chair jamoluhrsen LuisGomez 18:15:21 Current chairs: LuisGomez jamoluhrsen sai_999 18:15:27 wanna join or punt guys? 18:16:11 i will today 18:17:54 ups, I think it is just me talking to a parrot so maybe no call today 18:35:43 LuisGomez: we are on the call 18:35:47 did u miss us/?? 18:44:26 #info sai explaning the flamegraphs he built for debugging odl high cpu usage 18:44:34 #info sai talking abt baked queries for n-odl 18:44:36 oh my, i hit this link n the invite: http://bluejeans.com/111, instead of the meeting link :) 18:44:46 LuisGomez: :-) 18:44:51 we just got done 18:44:57 thats fine 18:45:07 LuisGomez: finally abt to root cause high cpu usage of odl, its the GC 18:45:08 :-) 18:45:16 no update from my side will join next 18:45:23 i guessed so, but now have cocnrete evidence from flamgraphs 18:45:51 #info al shared his testing strategies to know when a system is really resource limited vs transient when packet drops occur 18:45:54 GCs produces high CPU and often GCs can be also a sign of memory leak 18:46:14 #info sai shared XDP with al 18:46:21 #link https://www.iovisor.org/technology/xdp 18:46:36 #info sai and al talk abt cperf meeting at ons amsterdam 18:46:41 #endmeeting