On Fri, 2003-08-29 at 22:39, Adam Aube wrote: > > Please does anybody know where I can get a tweaked > > version of squid that can support up to 1000/s request > > rate or what I can do to increase performance > > 1000 requests/sec is a lot to ask of Squid - mainly because it is not > multi-threaded. I would recommend the following:
Actually, this ("mainly because it's not multi-threaded") is not true.
Threading costs syncronisation overheads, and only adds single-process
CPU scalability - and squid gets that very effectively by running
multiple instances. Squid using poll() can drive linux to 70% CPU time
in poll(), 100% total time used - that is something that threading -does
not help-.
Squid's non-blocking single-threaded model is -nearly- optimal for high
performance networking.
> - Change your cache_dir type to something other than the default ufs -
> use aufs for Linux and diskd for BSD. If you're using something else,
> ask the list for advice.
diskd is also fine for linux. aufs is only ok on systems with kernel
threads.
Cheers,
Rob
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