Re: Using O(1) scheduler with 600 processes.

From: Martin J. Bligh (
Date: Thu Jan 23 2003 - 19:24:25 EST

> 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.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

This archive was generated by hypermail 2b29 : Thu Jan 23 2003 - 22:00:32 EST