Re: [squid-users] Frequent cache rebuilding

On 21.01.09 10:05, Andreev Nikita wrote:
> Squid cache resides on NFS partition on storage system. It is 1Gb link
> and both sides are connected to the same switch. Squid has dual core
> Xeon processor and 4GB of RAM.
>
> The main concern here is that squid always eats 100% of 1 core. And
> our clients can't reach full channel throughput (4Gbs). As I can see
> outside link is half full. Secondly it looks like FS performance is
> very poor. I tried to clear cache by setting
> cache_swap_low 0
> cache_swap_high 0
> and it took about 15 hours for squid to actually clear the cache!
>
> Why does squid eat 100% of processor if the problem is in FS? Maybe
> it's not an FS problem at all? What can I do to find the performance
> bottleneck?

NFS is the bottleneck. Can you connect the disk on storage system directly?

btw, which link is 1 gbit and which is 4 gbit? NFS is connected with 1gbit
and you want squid to be able to saturate 4gbit connection?

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