Re: [RFC] Policy Change on half-closed connection

From: Alex Rousskov <rousskov_at_measurement-factory.com>
Date: Thu, 18 Sep 2008 22:17:15 -0600

On Fri, 2008-09-19 at 09:16 +1000, Mark Nottingham wrote:
> Amos, your squid-users announcement says that it applies to 2.7 as
> well; will the same changes (switch default, remove later) be applied
> there?
>
> FWIW, I've never seen this happen on 2.x. Has anyone else?
>
> Note that turning half_closed_clients off has an effect on quick_abort
> (at least in 2.x); without it, if the client aborts before headers are
> received, quick_abort doesn't have time to kick in; with it, it will
> operate even if the client aborts that early.
>
> This behaviour is pretty desirable in an accelerator setup...

Sounds like a big enough problem to leave Squid2 settings alone! This
scenario should also be tested with Squid3.

Thank you,

Alex.

> On 13/09/2008, at 6:52 PM, Amos Jeffries wrote:
>
> > Basically bug 2431
> > http://www.squid-cache.org/bugs/show_bug.cgi?id=2431.
> >
> > Alex mentions seeing bad side effects and it being maybe unsuitable
> > for a stable release.
> >
> > I posit that it is suitable to change the cause of a major bug in
> > the stable release and a config default is safer than a core code
> > change.
> >
> > As for further testing, we have a few users who have encountered the
> > bug already and tested the config change. With good results. Henrik
> > reports that many of his customers have done so as well.
> >
> > People who have explicitly set their configuration and are happy are
> > not affected. For those who need to enable it, I think we have 3-
> > HEAD and 2.7.
> >
> > Amos
> > --
> > Please use Squid 2.7.STABLE4 or 3.0.STABLE9
>
> --
> Mark Nottingham mnot_at_yahoo-inc.com
>
Received on Fri Sep 19 2008 - 04:17:22 MDT

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