RE: [squid-users] Odd purging problem

 
I have noticed when doing much the same thing as you with GETs and
PURGES to the cache with squidclient that sometime the log will show a
PURGE, but squidclient returns and error that the URL was not in the
cache. Even when I do a GET, see it in the log, do another GET to see
the TCP_HIT to confirm it is in the cache, and a PURGE, I get a MISS
error (which I assume means it tried to purge the object but couldn't
find it in the cache)

I am doing schedule GETs and PURGEs but only a small number of them, and
I am using SQUID2/HEAD.

I just noticed this behavior yesterday.

Nick

-----Original Message-----
From: Nicole [mailto:nmh_at_daemontech.com]
Sent: Friday, September 19, 2008 2:11 PM
To: squid-users_at_squid-cache.org
Subject: [squid-users] Odd purging problem

 Hello all

 Some time ago I had mentioned a problem I was having doing purges on
squid.
 Sometimes the purge will happen, but the tool will complain it never
got a reply from a particular server. Othertimes, it complains and no
purge happened either.

 We wrote a small perl tool to contact our squid array and say "delete
these URL's." Everything was fine until we switched some to squid3 and
now even with squid 2.7. (2.6 works always)

 The coders feel certain the problem is with squid. When we do a purge,
one by one, they always work. When we do a mass purge, we send the
deletes through, one url at a time, to each server, then come back
around again to delete the next url. It seems to be a problem more when
we have to send a quantity of deletes over several.

 I am curious if perhaps in the newer versions of squid, purges have
been given a lower priority, thus they might take a longer time to reply
and accept new ones after one has been requested?

 Anyone have any thoughts on this.

 Thanks!

   Nicole

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