Re: [squid-users] Strange messages in cache Log

From: Amos Jeffries <squid3_at_treenet.co.nz>
Date: Tue, 12 Apr 2011 13:06:33 +1200

 On Mon, 11 Apr 2011 14:20:58 -0400, squid_at_sourcesystemsonline.com
 wrote:
> Good day,
> what is the meaning of :httpReadReply: Excess data from "GET
> http://webcs.msg.yahoo.com/crossdomain.xml"?

 See: http://wiki.squid-cache.org/KnowledgeBase/ExcessData

> squidaio_queue_request: WARNING - Queue congestion?
>
> http://ocsp.entrust.net/MEUwQzBBMD8wPTAJBgUrDgMCGgUABBSgLXLbL4La7i%2B3dMpUpZCcZtKubgQU6r8QpQEelY%2FJVbRnYKSP%2FYsPErQCBEKHQKU%3D"?

 See: http://wiki.squid-cache.org/KnowledgeBase/QueueCongestion

 Given that it appears to be decreasing on the expected pattern, it
 seems to be the ignorable case.

> storeAufsOpenDone: (13) Permission denied ?

 Now that one appears to be nasty. Squid does not have privileges to
 open one of its own files.

 Given that it is followed by congestion warnings, I'm thinking the disk
 controller is busy doing something to the disk, maybe its an AV or
 integrity scan of some sort or simple put the drive into hibernation for
 a short while.

 The result of this is either that something is not deleted when it
 should be (BAD). Or that something is not saved to disk when it should
 be (not too bad, just means a TCP_MISS later on).

 How frequent are these and is there any other signs of what is going
 on?

 Oh, and the usual: what version of Squid is this?

 <snip>
> 2011/04/11 12:35:50| storeAufsOpenDone: (13) Permission denied
> 2011/04/11 12:35:50| d:/squid/var/cache/00/0D/00000DE0
> 2011/04/11 12:35:50| storeSwapOutFileClosed: dirno 1, swapfile
> 00000DE0,
> errflag=-1
> (13) Permission denied
> 2011/04/11 12:35:50| httpReadReply: Excess data from "GET
> http://webcs.msg.yahoo.com/crossdomain.xml"
 <snip>

 Amos
Received on Tue Apr 12 2011 - 01:06:39 MDT

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