OOM caused by infinite loop in response

Baptiste bedis9 at gmail.com
Fri Sep 21 14:16:53 CEST 2012


Hi,

Can't you simply tells Varnish to return a void response when users
hit this URL?
Hopefully you know in advance which URLs are buggy....

cheers

On Thu, Sep 20, 2012 at 1:52 PM, Delacroix, Gauthier
<Gauthier.Delacroix at coreye.fr> wrote:
> It’s coming from the backend.
>
>
>
> Varnish cannot cache the response since it never ends.
>
>
>
> De : Nick Tailor [mailto:nick.tailor at gmail.com]
> Envoyé : jeudi 20 septembre 2012 12:35
> À : Delacroix, Gauthier
> Objet : Re: OOM caused by infinite loop in response
>
>
>
> If it's coming from the cache set the ttl higher for objects cached so it
> serves cached content that you know is working until u fix the issue
>
> Sent from my iPhone
>
>
> On Sep 20, 2012, at 2:40 AM, "Delacroix, Gauthier"
> <Gauthier.Delacroix at coreye.fr> wrote:
>
> Hi,
>
>
>
> I have a varnish instance going out of memory because of an infinite loop in
> a chunked backend response.
>
>
>
> The app is sending the same string over and over, resulting in more than 4GB
> to varnish in 10 minutes…until it crashes.
>
>
>
> The dev team is fixing the bug in the backend app but I’d like to avoid
> varnish crashes for this kind of problem.
>
>
>
> I have seen the “http_resp_size" option in the doc but it seems to only
> handle headers size and I haven’t seen anything about response body limit.
>
>
>
> Is there a way to drop connection when response body exceeds a maximum size
> ?
>
>
>
> Thanks !
>
>
>
> Gauthier
>
> _______________________________________________
> varnish-misc mailing list
> varnish-misc at varnish-cache.org
> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>
>
> --
> Ce message a ete verifie par MailScanner.
>
>
> _______________________________________________
> varnish-misc mailing list
> varnish-misc at varnish-cache.org
> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc



More information about the varnish-misc mailing list