lkml.org 
[lkml]   [2003]   [Jan]   [24]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateThu, 23 Jan 2003 22:18:33 -0800
From"Martin J. Bligh" <>
SubjectRe: Using O(1) scheduler with 600 processes.
>> > I've heard some say that O(1) sched can only really help on systems with
>> > lots and lots of processes.
>> > 
>> > But my systems run about 600 processes max, but are P4 Xeons with HT,
>> > and we kick off several hundred processes sometimes. (sleeping to
>> > running then back) based on things happening in the system. 
>> > 
>> > I am possibly going to forgo putting O(1)sched in production *right now*
>> > until I've got my patch solid. But I got to thinking, do I need it at
>> > all on a Oracle VLDB?
>> > 
>> > I think yes, but I wanted to get some opinions/facts before making that
>> > choice to go without O(1) sched.
>> 
>> How many *processors*? Real ones.
> 
> Quad P4 Xeon. Dell 6650

I'd say you definitely want O(1) sched then (or just run -aa or something).
But why don't you just try it and see?

M.


-
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 12:32    [from the cache]
©2003-2008