Re: suspend processes at load (was Re: a simple OOM ...)

[Jonathan Morton <chromi@cyberspace.org>]

>> Actually, this idea must have been in Unix since about
>> Bell Labs v5 Unix, possibly before.
>
>When people were happy they could sit down in front of a computer. But
>world changed since then. Users expectations are much higher, they want
>[among others] latency and high availability.
>
>> This is not a new idea, it's an old solution to an old
>> problem; it even seems to work quite well.
>
>Seems for who? AIX? "DON'T TOUCH IT!" I think HP-UX also has and it's
>not famous because of its stability. Sure, not because of this but maybe
>sometimes it contributes, maybe its design contributes, maybe its
>designers contribute.

Well, OK, let's look at a commercial UNIX known for stability at high load:
Solaris.  How does Solaris handle thrashing?

--------------------------------------------------------------
from:     Jonathan "Chromatix" Morton
mail:     chromi@cyberspace.org  (not for attachments)
big-mail: chromatix@penguinpowered.com
uni-mail: j.d.morton@lancaster.ac.uk

The key to knowledge is not to rely on people to teach you it.

Get VNC Server for Macintosh from http://www.chromatix.uklinux.net/vnc/

-----BEGIN GEEK CODE BLOCK-----
Version 3.12
GCS$/E/S dpu(!) s:- a20 C+++ UL++ P L+++ E W+ N- o? K? w--- O-- M++$ V? PS
PE- Y+ PGP++ t- 5- X- R !tv b++ DI+++ D G e+ h+ r++ y+(*)
-----END GEEK CODE BLOCK-----


--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux.eu.org/Linux-MM/