Re: [squid-users] cache expiration

On 05.11.06 17:55, nonama wrote:
> I am running squid 2.5-12 on RHEL. Configured for the cache as below:
>
> /dev/cciss/c0d1p1 35001508 23340460 9883056 71% /cache1
> /dev/cciss/c0d2p1 35001508 23312832 9910684 71% /cache2
>
> The cache low is configured at 90, and cache high at 95. With the current
> utlization of cache, please advise what the best value to configure the
> cache low & high.

the 90 and 95 are ok. Note that they mean percentage of sice configured in
squid, not percentage of disk usage. you probably shouldn't have more than
30000 KB configured on each cache_dir (maybe even a bit less).

> What will happened if the utilization hit the value we configured. How
> and where can we monitor the activities. Will the activities run
> transparent to the users? Appcreciate you advise on this.

if you hit cache_swap_high percent of configured disk space, squid will
start removing objects according to replacement_policy.
Users shouldn't notice unless your disks are too slow, which shouldn't be
the case for you.

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