magick.crow at gmail.com
Wed Jun 17 22:09:10 UTC 2009
On Wed, Jun 17, 2009 at 11:42 PM, Hal Burgiss<hal at burgiss.net> wrote:
> I think I've figured out why recent Ubuntu has such abysmal performance. Very
> cleverly over a period of time, it takes all the free memory and uses it to
> store useless junk that you will never ever use. And then holds on to the
> useless stuff as long as it possibly can. And then you are forced to
> work out of swap. If I leave my system for any length of time, like overnight,
> it is unusable. The delay in simple everyday things like typing in a *text
> terminal* (yes, text!), is ridiculous. Changing workspaces or opening a window is
> insanely slow. Pity the poor soul that has to re-open Firefox. Maybe it takes
> a week to build up that negative cache, but once its got you, you're toast.
> Then its time to reboot or restart X, or lest you get that "watching paint
> dry" feeling for the simplest most everyday things.
> atop data:
> PRC | sys 0.76s | user 1.70s | #proc 200 | #zombie 2 | #exit ?
> CPU | sys 7% | user 17% | irq 1% | idle 0% | wait 75%
> CPL | avg1 2.90 | avg5 2.54 | avg15 2.23 | csw 9527 | intr 5228
> MEM | tot 992.4M | free 91.3M | cache 316.9M | buff 3.2M | slab 44.1M
> SWP | tot 2.9G | free 1.4G | | vmcom 3.2G | vmlim 3.3G
> PAG | scan 10364 | stall 0 | | swin 4293 | swout 585 (red)
> DSK | sda | busy 100% | read 1625 | write 608 | avio 4 ms (red)
> The quality of life of recent Ubuntu is on a par with Windows 3.1. 8.10 and
> 9.04 should be thrown on the scrap heaps of failed experiments. They suck out
> I used to brag about never having to reboot a system to maintain usability.
> Not no more. Its the new "normal".
> Being a diehard Ubuntu user (home, work and servers at work), its hard for me
> say whether its Linux in general, or just Ubuntu, that totally sucks for a
> desktop. But suck it is.
> End rant.
Scroll to the bottom. Set your swappiness to 10. Is it better now?
Douglas E Knapp
Why do we live?
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