why i get response if it is a post request with pass?

יעקב ירמולובסקי yakov.yarmo at gmail.com
Mon Dec 28 15:36:47 CET 2015


Will increasing sess_timeout will help?

On Mon, Dec 28, 2015 at 1:09 PM, יעקב ירמולובסקי <yakov.yarmo at gmail.com>
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 <geoff at uplex.de> wrote:
>
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>> 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
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>
>
>
> --
>
>
>
> *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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