Re: cache-digest / b20 / wedging

From: Dancer <dancer@dont-contact.us>
Date: Thu, 30 Apr 1998 02:01:47 +1000

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I'm seeing the same thing. Just a few minutes ago, I was getting _very_
slow performance from an idle proxy. No traffic on the link between the
proxy and the webserver. No load on the webserver. No load on the proxy
test boxes. No traffic on the link between the client and the proxy.

2Kbyte page == 4.5 minutes load time. :(

It spent pretty much 2 minutes sitting there doing nothing. The next 2+
minutes the browser reported 'transferring data from...', the last
couple seconds, zap(!) all done.

When it's doing this, similar things happen with other url's requested.
After that, everything seems to get back on track again.

D

Martin Hamilton wrote:
>
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> We have four servers running b20 (the kosher released version, though
> we were running the pre-release version before). Initially I set them
> up to use cache digests (./configure --enable-cache-digests) and peer
> with each other. Unfortunately they "go slow" from time to time, and
> take ages to answer test requests which should zap their way through
> immediately.
>
> Looking at the cache log their seems to be a correlation between the
> go slow behaviour and the rebuilding of the cache digest. I was just
> wondering if this was something anyone else was seeing... Rebuilding
> without cache digest support appears to have fixed the problem.
>
> Ciao!
>
> Martin
>
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Received on Tue Jul 29 2003 - 13:15:48 MDT

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