Re: [squid-users] High CPU usage for large object

From: Henrik Nordstrom <henrik@dont-contact.us>
Date: Thu, 09 Aug 2007 12:51:17 +0200

On tis, 2007-08-07 at 13:25 -0400, NGUYEN, KHANH, ATTSI wrote:

> So perhaps the squid has some extra overhead. However, 3 times more
> seems unusual

3 times more is probably quite right for disk hits. Apache uses
sendfile() while Squid reads in the object from disk to write it out
again on the socket.. And if you are using aufs or diskd this is being
bounced via threads further adding overhead.

Regards
Henrik

Received on Thu Aug 09 2007 - 04:51:28 MDT

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