Hello,


> This is a test system with not much load other than my little 'ab -c 10 ...'
> is creating. We have unix logging everywhere locally, works even under heavy
> load.

Be that as it may, this is a syscall returning an error:

http://git.haproxy.org/?p=haproxy.git;a=blob;f=src/log.c;h=88e0d07a281d8aeb7cbdf0613f8ad6e74c99f8e5;hb=HEAD#l1296

I'm not sure what we can do to improve the situation ... your kernel
is telling you that the socket /dev/log is unavailable.


Read this thread for some tuning advice on the kernel side:
http://comments.gmane.org/gmane.comp.web.haproxy/4716



>> Use the hard-stop-after directive to limit the time haproxy spends in
>> this state:
>>
>> https://cbonte.github.io/haproxy-dconv/1.7/configuration.html#3.1-hard-stop-after
>
>
> I would not comment hanging process bug more under this thread, because it's
> off topic. Will create new thread for that

Agreed.



Regards,
Lukas

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