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Re: mysql performance on 4 * dualcore opteron
- To: Michael Vince <mv_(_at_)_roq_(_dot_)_com>
- Subject: Re: mysql performance on 4 * dualcore opteron
- From: David Xu <yfxu_(_at_)_corp_(_dot_)_netease_(_dot_)_com>
- Date: Sat, 8 Apr 2006 18:32:46 +0800
- Cc: Sven Petai <hadara_(_at_)_bsd_(_dot_)_ee>, freebsd-performance_(_at_)_freebsd_(_dot_)_org, Steven Hartland <killing_(_at_)_multiplay_(_dot_)_co_(_dot_)_uk>
- Organization: netease.com
On Saturday 08 April 2006 17:44, Michael Vince wrote:
> I have also tried putting my Perl under libthr for a single thread log
> analyzer and to my surprise it even could process logs faster.
>
I don't know why, but I only know I did some micro optimizations in libthr,
and the library is small and may be fully cached in L1 cache on athlon
xp/64 CPU, don't take it seriously. ;-)
> libthr is also really useful for actually paying attention to tops 'thr'
> column since it does show actual true thread number activity, under
> pthread it shows a couple and under libc_r I could have 1000 threads
> going but top just shows 1.
>
> Mike
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