Re: cache-digest errors.

From: Alex Rousskov <>
Date: Mon, 5 Oct 1998 09:57:15 -0700 (PDT)

On Mon, 5 Oct 1998, Karl Ferguson wrote:

> A fellow sibling and I are attempting to use cache-digest instead of ICP as
> an experiment and getting the following error on occasion:
> <snip>
> Forwarding Denied.

Apart from enabling miss_access, you may want to check digest utilization
using cache manager interface. Ideal utilization (percent of bits "on") is
50%. Values far off may indicate a problem. False hit ratio will increase
if utilization is very high. Very low utilization means you are wasting
bandwidth (likely with a filling-up caches). Use cache manager (peer and
store digest stats) to get the numbers.

Eventually, Squid will handle miss access problems transparently to the
client (regardless of the protocol).

Received on Mon Oct 05 1998 - 10:00:16 MDT

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