htt & smp

[Xin LI]

On Mon, Nov 08, 2004 at 10:21:44PM -0800, Randy Bush wrote:
> for a server running a bunch of net aps, if the cpu is htt,
> is it worth turning on smp?

It depends.  Generally speaking, if you run "a bunch" of net apps,
HTT should be beneficial for response time, however, it will hinder
those applications that don't utilize threading and is CPU intensive.

A ``systat -vm'' can give you some useful information what your
application is like.  If applications needs to sleep and wait for
I/O, then turning on HTT may result in better performance. 

Cheers,
-- 
Xin LI <delphij frontfree net>	http://www.delphij.net/
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