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Re: No more cache hits

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On Wed, 02 Mar 2011 15:47:44 +0100, Dayo Adewunmi wrote:
On 03/02/2011 10:04 AM, Hasanen AL-Bana wrote:
Please paste the output of :  squidclient mgr:info

You might have ran out of disk space and your squid for some reason is
not purging objects as it should.

On Wed, Mar 2, 2011 at 11:59 AM, Dayo Adewunmi wrote:

Hi

For about 3 hours now, I haven't had much in the way of cache hits, and the cache misses have gone through the roof. I don't have any idea what's
happening here with this.
Here are my specs:

Squid: Version:     2.6.18-1ubuntu3
OS: Ubuntu     8.04
squidclient mgr:utilization:     http://pastebin.com/fJFV5dD0
Munin graph:    http://i.imgur.com/b2hDu.png

Thanks

Dayo


It seems to be returning cache hits again: http://i.imgur.com/c6euM.png
Here's the output of squidclient mgr:info http://pastebin.com/PRfEWK20


FYI the details you provided support your statement that MISSes are happening without giving any clues about why.

If it happens again,
look to access.log about which URLs are MISSing, compare with earlier logs with better HIT rates. New URLs cant be HITs until their second request. The ideas that come to mind immediately on this type of behaviour is something screwed wit the disk or a sudden flood of unique (attack?) requests.

also look to cache.log for any network problems squid is encountering, or turn debugging up a bit to see how squid is handling the MISS requests.

Amos


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