Traffic drop issue

[Dridi Boukelmoune]

On Mon, Nov 2, 2020 at 3:59 PM Guillaume Quintard
<guillaume at varnish-software.com> wrote:
>
> What intrigues me is why the number of requests decreased. Hitting thread_pool_max should make the number of request plateau, not go down.
>
> If there's a loadbalancer that realizes requests are getting dropped, and so takes traffic away, it makes sense, just wanted to make sure.
> If that's the case, the loadbalancer will probably give you some info there.

Likewise if too many backend fetches are triggered (low hit ratio?)
and pile up, they will get higher priority than client tasks.

> On top of threas_limited, sess_dropped and sess_queued are probably good counters to check.

I think this doesn't apply to h2 requests.