Traffic drop issue

[Dridi Boukelmoune]

On Thu, Oct 29, 2020 at 3:06 PM Sébastien EISSLER <sebastien at sdv.fr> wrote:
>
> Hello,
>
> Yes, we have a load-balancer in front, we already investigate that way and don't dectect any error or configuration limitation.
> The fact that threads_limited counter strongly increase and that restart of Varnish restore the traffic suggest an issue on varnish side.

Did you try to increase thread_pool_max?

> In attachement a varnishstat result from 3 hours before the issue.
> We notice a high value for MAIN.sess_closed_err counter.
>
> Thanks for your help.
>
> Regards
>
> > Hi,
> >
> > Do you have a load-balancer in front of Varnish? The decrease looks like
> > the connections are being drained
> >
> > Cheers,
> >
>
> --
> Sébastien
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