load average 34.73 !
Joseph Hartman
jlhartman at gmail.com
Thu Oct 29 17:29:55 GMT 2009
Have you already included the
LDM_DIRECTX=true
parameter under the Default section of your lts.conf file?
I've got a similar setup to yours and have firefox set up as a local app. My
lts.conf is posted here:
http://hartmansblog.blogspot.com/2009/09/resolution-issues-in-ltsp.html
On Thu, Oct 29, 2009 at 9:04 AM, john <lists.john at gmail.com> wrote:
> Hi all,
>
> I am running 4 cores with 16 G ram. I have a single 1G nic serving 45
> stations.
> Right now I have 38 users on and my load average is 34.73
> I've seen it spike to 70. I've pasted an excerpt from TOP below.
>
>
> top - 08:44:10 up 1 day, 14:56, 38 users, load average: 34.73, 34.76,
> 21.83
> Tasks: 1438 total, 10 running, 1426 sleeping, 0 stopped, 2 zombie
> Cpu(s): 64.8%us, 21.3%sy, 4.6%ni, 0.8%id, 6.1%wa, 0.1%hi, 2.4%si,
> 0.0%st
> Mem: 16632608k total, 9663840k used, 6968768k free, 406064k buffers
> Swap: 9936160k total, 0k used, 9936160k free, 3951436k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 13847 auer_saw 20 0 228m 98m 27m R 45 0.6 1:05.38 firefox
> 21212 murphy_c 20 0 273m 110m 26m S 29 0.7 0:39.00 firefox
> 5203 clements 20 0 159m 59m 21m D 27 0.4 0:14.52 firefox
> 4883 hembree_ 20 0 373m 181m 28m R 26 1.1 2:05.64 firefox
> 27114 parks.ta 20 0 248m 106m 25m S 18 0.7 1:53.48 firefox
> 24714 smith_ni 35 15 35836 19m 12m R 17 0.1 1494:26
> gnome-panel
> 19552 straube. 20 0 162m 61m 22m S 13 0.4 0:04.91 firefox
> 3344 weber_my 20 0 266m 108m 25m S 10 0.7 1:23.35 firefox
> 13935 challman 20 0 280m 130m 26m S 10 0.8 2:40.12 firefox
>
> I ran vmstat and I see that I have lots of interrupts and context
> switches, and also processes waiting for attention.
>
> root at vbuntu:/var/log# vmstat 5 200
> procs -----------memory---------- ---swap-- -----io---- -system--
> ----cpu----
> r b swpd free buff cache si so bi bo in cs us sy id
> wa
> 1 1 0 9555716 420520 4682252 0 0 7 28 73 47 18 1
> 80 1
>
> 10 1 0 9550352 420572 4676348 0 0 562 3374 4284 17322 45 21
> 25 9
> 1 1 0 9595204 420600 4683272 0 0 1221 1410 3730 6236 45 14
> 30 11
> 1 0 0 9655864 420624 4677924 0 0 550 1334 4091 8094 44 9
> 39 8
> 2 2 0 9654436 420628 4677756 0 0 0 2533 3836 6361 30 5
> 60 5
> 4 0 0 9743600 420652 4677408 0 0 0 166 3663 5912 33 6
> 61 0
> 1 1 0 9816940 420672 4681848 0 0 439 202 3421 5607 35 7
> 49 9
> 3 1 0 9775504 420708 4693380 0 0 1000 1069 3771 4855 39 6
> 38 16
> 4 0 0 9742368 420716 4688016 0 0 105 2130 3539 4844 36 5
> 55 4
> 4 0 0 9754888 420716 4688128 0 0 0 222 3389 5058 32 4
> 64 0
> 1 0 0 9756060 420720 4688072 0 0 0 82 2947 3813 26 4
> 70 0
> 1 0 0 9881396 420736 4688160 0 0 0 218 3683 6299 36 8
> 57 0
> 1 0 0 9881144 420744 4688208 0 0 0 124 3006 3872 28 3
> 69 0
> 1 2 0 9865324 420756 4699228 0 0 198 2128 3130 3660 36 5
> 50 9
> 1 0 0 9871528 420776 4690000 0 0 134 2975 3532 3999 39 7
> 47 7
> 4 0 0 9874736 420800 4691984 0 0 22 142 3323 3826 30 3
> 66 0
> 2 0 0 9842856 420828 4706212 0 0 162 3079 3330 3998 51 6
> 37 6
> 4 0 0 9830752 420872 4710852 0 0 58 1092 3156 3737 54 4
> 41 1
> 1 0 0 9846836 420876 4693096 0 0 38 388 3471 5125 43 4
> 52 0
> 1 0 0 9847376 420876 4693104 0 0 0 3789 3805 5539 30 5
> 60
>
> As you can imagine the user experience right now it not great. Can
> anyone give me some ideas
> about reducing load on the system?
>
> Thanks!
>
> John
>
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