Messages in this thread | | | Date | Tue, 27 Jul 2004 08:32:29 -0700 | From | William Lee Irwin III <> | Subject | Re: Autotune swappiness01 |
| |
On Mon, Jul 26, 2004 at 08:47:39PM -0700, Joel Becker wrote: > I happen to be a person who rolls his eyes at everyone's mention > of micro-optimized "feel". I've found that any system faster than > 300MHz is pretty decent for normal desktop work (that is, moz + lots of > terminals in gnome/kde). Yes, I'm a luddite, I used to wait 45 seconds > for moz to start in the morning on the 300Mhz. I survived. > In general, I can't notice the difference between 2.6.anything > on my 1GHz. Maybe everyone else can, but I can't. > HOWEVER, the swappiness of '60' puts my system into > fits-and-starts mode. Not "It feels slower", but "It pauses for seconds > at a time." So I chimed in on this. > And yes, I'd give up oodles of pagecache to avoid fits and > starts. But there's got to be a way to use the pagecache and not hang > for seconds at a time.
I've had similar experiences except for the pauses. Could you identify this as idle time, iowait, or cpu time (user/kernel)?
Also, does this behavior change at all as the IO scheduler varies? And could you describe the system, e.g. IO devices/etc.?
-- wli - 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/
| |