Re: cache digests

On Tue, 22 Feb 2000, Max V. Bouglacoff wrote:

> >Note, in the first case the digest is "usable: yes" whereas in the second case
> >it's "usable: no" (cause, "Not Found" - probably no cache digests configured
> >at the peer's end).
>
> Digests are usable.

If it's all success and usable, then you should see some cache digest hits in
your logs - depending on how many objects are in the peer's digest and whether
or not any of them matches your requests.

> >Finally, check "Peer Cache Statistics" in cachemgr.cgi to see whether or not
> >objects are being fetched from those peers. This is probably only of use if
> >ICP is disabled for that peer (as PINGS SENT will be zero, yet FETCHES will
> >increase). Your logs will only show cache digest HITs - there's no point
> >logging a cache digest MISS.
>
> I've checked this first and all seem to be ok!

Remember, this is only useful if ICP is disabled; if ICP is enabled, then
you'll be seeing a lot of those requests in this stats page.

> Another question: when I have one or more parents I get peer digest
> state `Forbidden' for them all. Ex.:
> cache_peer proxy.ukrsat.com parent 3128 3130
> cache_peer sv.us.ircache.net sibling 3128 3130
> And when all of my peers are siblings I get `success'. Ex.:
> cache_peer proxy.ukrsat.com sibling 3128 3130
> cache_peer sv.us.ircache.net sibling 3128 3130
> Why is that?

No idea - it works for me (2.2.STABLE5). proxy.ukrsat.com would need to check
their logs and see what's different between the two cache digest
requests. Presumably some request header is different...

dave
Received on Thu Feb 24 2000 - 05:36:59 MST