Will increasing sess_timeout will help? On Mon, Dec 28, 2015 at 1:09 PM, יעקב ירמולובסקי <[email protected]> wrote:
> is there any other variable that controls the 5 seconds disconnection from > varnish? > Is it possible that there is a bug in varnish that ignores > first_byte_timeout? > > On Mon, Dec 28, 2015 at 12:57 PM, Geoff Simmons <[email protected]> wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA256 >> >> On 12/28/15 11:30 AM, יעקב ירמולובסקי wrote: >> > But if I have the following in my vcl file: .first_byte_timeout = >> > 600s; .between_bytes_timeout = 600s; >> > >> > Doesn't varnish suppose to respect it? >> >> In that case it wasn't a first byte timeout. Possibly something is >> causing a network disconnect if there is no activity for 5 seconds. >> That could be something in your Apache config, or for example a >> network device such as a firewall. >> >> Some advice: don't set your Varnish timeouts to 10 minutes, that's >> astronomical, and will very likely be counterproductive. This is a >> typical point of contention between backend app developers and the >> Varnish admin -- if the apps get slow, they'll want Varnish to "wait >> forever". But if the apps take that long, one of your Varnish worker >> threads is blocked for up to 10 minutes. If the app is in serious >> trouble so that it takes that long for all requests, all of those >> threads will block, and eventually you'll hit the worker thread >> maximum and Varnish will start refusing connections. No amount of >> increasing the thread pool can save you when the timeouts are that long. >> >> If the apps are that slow, you have a catastrophe no matter what >> happens, and you're better off having Varnish time out within a few >> seconds, so that at least Varnish remains stable. And the developers >> will have to bite the bullet and fix the app. >> >> > Where can I see how long the apache took to respond? >> >> The Apache mod_log_config module has formatters for that, for use in >> the LogFormat directive; but that's no longer a Varnish question. >> >> The varnishlog ReqEnd record will tell you how long Varnish waited, >> look here: >> >> https://www.varnish-cache.org/trac/wiki/Varnishlog >> >> >> Best, >> Geoff >> - -- >> UPLEX Systemoptimierung >> Scheffelstraße 32 >> 22301 Hamburg >> http://uplex.de/ >> Mob: +49-176-63690917 >> -----BEGIN PGP SIGNATURE----- >> Version: GnuPG/MacGPG2 v2.0.14 (Darwin) >> >> iQIcBAEBCAAGBQJWgRWWAAoJEOUwvh9pJNUR+OcQAIH/LY/4iHD7M3jx7U0RsCfS >> JJjNREkCGylWOC6aQfznUZpkhMTeyRrlPpCf4isEFi0cb7XJG1Y32g+fSPeXIC9K >> PrGs52uslW3eIbI+Ao7Y5ozs+yCRdbWRpobBS7HXa3aj9Ekc3mCrwIh7qAOkfJIY >> SGVyEPtsYZx/l8XiMhkaPBZkByHePgz+vYU4+EGf5CtAyE6GfGfLFtHd/9o2QuV2 >> rLPRmr8JmpDJg+Lg0rDBgQziiMfFjvAmAeuEJi9yNu1iNUhlkIPuS8eW0JWWDsDu >> 9A35gj1Fnip8XtUhZqrRqYX6+zFb6duCZvpj+EHRMMoaXFtuIbsQ/+gyUby8VDGG >> rAh7V0fOyHt1bGHvgLihZBY0htK1neP5IjiRBUn9DZr8yktfJN44/Ch6QHeTOrb5 >> PlgZMWKQ3Hgir0PnPhvmT9phR2e90OU6Qv9I8i8i2/crx1EFmrzUH4g0niaUhH/9 >> j3tiDjmRQJyf0bmcvdCaFW/30A5jsd7phRzDIL8FsmjT5yitSAIcgrjr2g0Cz4wu >> tIbf0WkJuynd+3cbODqc5MuxLAexlLOkfMZjm3vsxqI6Q24BifX4RUSSwaIsrfqs >> gHXhObHhlHkMAHqexvp6xVL6lguB4AXdDknfs6rZsPIRtimNzqtlL7V+69AKSG5d >> TXmnai99dOK6/AH8L8DR >> =+HvO >> -----END PGP SIGNATURE----- >> > > > > -- > > > > *יעקב ירמולובסקי,מנהל אתר לימוד נעיםwww.limudnaim.co.il > <http://www.limudnaim.co.il/>אתר חינמי למורים פרטיים* > -- *יעקב ירמולובסקי,מנהל אתר לימוד נעיםwww.limudnaim.co.il <http://www.limudnaim.co.il/>אתר חינמי למורים פרטיים*
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