Re: [squid-users] Missing ICP queries

Henrik,

thanks for your help !

Indeed, my ICP reply was not correctly formated amd the cache.log file
showed a dead sibling. I fixed the ICP reply header and it works fine
now.

Thanks again

Emmanuel

On Thu, 2003-01-30 at 00:01, Henrik Nordstrom wrote:
> Normally Suqid sends a ICP query on each and every cache miss request
> (not just page.. there is no such thing as "page" in HTTP).
>
> If squid thinks your application is dead then it will stop sending ICP
> queries for a short while to not waste bandwidth. A peer is declared
> dead if no valid ICP responses have been received after a timeout.. In
> such case the event is logged in cache.log.
>
> Other cause may be the fact that peers is only used for hierarchical
> requests. Meaning that any requests which either matches
> hierarchy_stoplist or is using a uncacheable HTTP method will by default
> go directly to the origin server, bypassing any cache_peer options.
>
> Regards
> Henrik
>
> Emmanuel Duros wrote:
> >
> > Hi,
> >
> > I am writing an application that listens to ICP Queries from squid. Upon
> > reception of the query the application replies with an ICP_MISS
> > pkt. Then my application asks for the URL contained in the Query and
> > does some processing on the page...
> >
> > I use a browser that connects to squid to surf the web. I would expect
> > squid to always send ICP queries to my application for pages/objects
> > that are not in the cache. However I can notice that quite often squid
> > does not send ICP query for missing pages.
> >
> > My feeling is that I have to wait for a few seconds between clicks on
> > html links in order to always get the ICP query from squid.
> >
> > Is there anything I can do to force squid to always send ICP queries ???
> >
> > Thanks,
> > Emmanuel
Received on Thu Jan 30 2003 - 06:33:40 MST