lkml.org 
[lkml]   [2002]   [Jan]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: kswapd etc hogging machine
Alan Cox wrote:
>
> > But Art's kernel (what kernel is in RH7.2 anyway? 2.4.9 with vendor
> > hacks^Wfixes, I think) is nowhere near that stage.
>
> 7.2 is 2.4.7-ac ish, 7.2 + errata is 2.4.9-ac ish

OK, thanks.

> > The good news is that 2.4.17 has pretty much slain this dragon. The
> > -aa patches are better still, and 2.4.18 will be even better than
> > that.
>
> Bollocks. I get regular mails from large numbers of people who are stuck
> at 2.4.12/13-ac and are hoping I'll do an update because their machines
> die in hours or run 25-50% slower with 2.4.1x.

I was referring to the swap and evict in the presence of heavy write
traffic.

> 2.4.1x VM code is performing better under light loads but its absolutely
> and completely hopeless under a real paging load. 2.4.17-aa is somewhat
> better interestingly.
>

s/interestingly/frustratingly/. -aa has some interesting changes to
the write scheduling as well. I just wish I knew what problem they're
solving.

-
-
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 13:18    [W:0.096 / U:0.176 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site