Hello Marco, On Thu, Apr 18, 2019 at 05:27:26PM +0200, Marco Corte wrote: > Hello! > > From time to time, about twice daily, and without any apparent reason, > haproxy jumps from using about 15% CPU usage to 100% (relative to the single > core it can use). > The situation becomes normal again after about 15-20 minutes. (...)
We've been fighting with these ones over the last few days and they had multiple causes, some in the scheduler, some at other locations, like streams not properly dealing with certain combinations of errors. I've backported all these recent fixes to 1.9 today. If the problem happens often enough for you to notice it, it would be useful to test either the latest git or tomorrow's snapshot. Otherwise we'll emit a new 1.9 soon to flush the pipe of these annoying issues. > During one of these events, I was able to capture (see below) > sudo socat /var/run/haproxy.socket - <<< "show info" > > If anyone is interested, I also have a quite long > sudo socat /var/run/haproxy.socket - <<< "show sess all" Please keep this one until you can confirm the issue is gone, I may have to ask it to you if it's still present. > Unfortunately I was not fast enough to collect > sudo socat /var/run/haproxy.socket - <<< "show fd" > during the event Don't worry, these are all useful information already. Thanks! Willy
