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From "Paul J. Reder" <rede...@raleigh.ibm.com>
Subject Re: plz vote on tagging current CVS as APACHE_2_0_19
Date Thu, 28 Jun 2001 14:40:05 GMT
Greg Marr wrote:
> 
> At 11:18 AM 06/27/2001, rbb@covalent.net wrote:
> >On Tue, 26 Jun 2001, Greg Marr wrote:
> >
> > > On Tue, 26 Jun 2001 21:26:03 -0400
> > >  "Bill Stoddard" <bill@wstoddard.com> wrote:
> > > > > Why would any of these processes still be serving new requests?
> > > >
> > > > A timing window.  When a mod_status request is the last request
> > > > accepted before a process dies.
> > >
> > > I thought the children were woken up during the restart by the
> > POD, and
> > > they exited immediately, without serving new requests.>
> >
> >They are, but a mod_status request could come in a millisecond
> >before the pod is triggered, and you will have this problem.
> 
> Ah, okay.  So there is a really tiny window.  I'd say that you'd need
> to allow AT LEAST 5-10 seconds from the time of the restart until
> things have stabilized enough to get a reasonable status request.  :)

So the long and short of this is that no one thinks it is a problem that
during a graceful restart there is a period of fluctuation which cannot
be avoided. While the system is in flux, results may be innaccurate during
certain short windows.

Any complaints?

-- 
Paul J. Reder
-----------------------------------------------------------
"The strength of the Constitution lies entirely in the determination of each
citizen to defend it.  Only if every single citizen feels duty bound to do
his share in this defense are the constitutional rights secure."
-- Albert Einstein

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