lkml.org 
[lkml]   [2004]   [Mar]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.4.23aa2 (bugfixes and important VM improvements for the high end)

* Andrea Arcangeli <andrea@suse.de> wrote:

> > vsyscall-sys_gettimeofday and vsyscall-sys_time could help quite some
^^^^^^^^^^^^^^^^^
> > for mysql. Also, the highly threaded nature of mysql on the same MM
>
> he said he doesn't use gettimeofday frequently, so most of the flushes
> are from other syscalls.

you are not reading Pete's and my emails too carefully, are you? Pete
said:

> [...] MySQL does not use gettimeofday very frequently now, actually it
> uses time() most of the time, as some platforms used to have huge
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> performance problems with gettimeofday() in the past.
>
> The amount of gettimeofday() use will increase dramatically in the
> future so it is good to know about this matter.

Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:01    [W:0.139 / U:0.464 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site