> On 07 Sep 2016, at 23:12, David Birdsong <david.birds...@gmail.com> wrote: > > Queue Cur is a gauge and so not representative of historical values. > > Queue Max of zero is telling though. > > In addition to queue timeout, there are other ways haproxy can synthesize an > http response on behalf of the backend server. Check for connection errors. >
Also, awk '{if ($11 >= 500) print};' gives me no matches from haproxy.log, but
counter for backend's Total Sessions 5xx respones does increase.
