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

יעקב ירמולובסקי yakov.yarmo at gmail.com
Mon Dec 28 11:30:25 CET 2015


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?
Where can I see how long the apache took to respond?

On Mon, Dec 28, 2015 at 12:17 PM, Geoff Simmons <geoff at uplex.de> wrote:

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> On 12/28/15 10:25 AM, יעקב ירמולובסקי wrote:
> > I'm using varnish 3 so I don't think that I have
> > vcl_backend_error.
>
> Right, but your VCL is evidently doing something in the form of error
> handling, since it reacted to the fetch error (which is seen in VCL as
> response code 503) by redirecting, with response code 302 and a
> Location header. The redirect goes to "/oops" with obj_status=503,
> obj_response=Service Unavailable and the request XID in the query
> string, which sounds like custom error handling.
>
> > As for the backend, I'm using Apache 2.2.31 and I have checked the
> > logs but it seems that everything goes well there and I get status
> > 200.
>
> Sure, your Apache might be getting 200, but it took over 5 seconds to
> do so, and Varnish didn't wait that long. Look here:
>
> ReqEnd       c 2005611725 1451213252.184271336 1451213257.219164610
> 0.000056505 5.034824371 0.000068903
>
> The second-to-last number tells you that Varnish waited just over 5
> seconds for the response and gave up, causing:
>
> FetchError   c http first read error: -1 0 (Success)
>
> That's a first byte timeout, which is very likely set to 5 seconds.
>
> Always look for FetchError records in cases like this. "http first
> read error" is very common, it means your backend was too slow.
>
> > Maybe I need to enable something in the Apache config?
>
> Impossible to say from a distance. It might help to tune your Apache,
> but it might be something else entirely, such as database fetches in
> your application that are taking too long.
>
>
> HTH,
> Geoff
> - --
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> Scheffelstraße 32
> 22301 Hamburg
> http://uplex.de/
> Mob: +49-176-63690917
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