Have you already included the <br><br>LDM_DIRECTX=true<br><br>parameter under the Default section of your lts.conf file?<br><br>I've got a similar setup to yours and have firefox set up as a local app. My lts.conf is posted here:<br>
<a href="http://hartmansblog.blogspot.com/2009/09/resolution-issues-in-ltsp.html">http://hartmansblog.blogspot.com/2009/09/resolution-issues-in-ltsp.html</a><br><br><div class="gmail_quote">On Thu, Oct 29, 2009 at 9:04 AM, john <span dir="ltr"><<a href="mailto:lists.john@gmail.com">lists.john@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi all,<br>
<br>
I am running 4 cores with 16 G ram. I have a single 1G nic serving 45 stations.<br>
Right now I have 38 users on and my load average is 34.73<br>
I've seen it spike to 70. I've pasted an excerpt from TOP below.<br>
<br>
<br>
top - 08:44:10 up 1 day, 14:56, 38 users, load average: 34.73, 34.76, 21.83<br>
Tasks: 1438 total, 10 running, 1426 sleeping, 0 stopped, 2 zombie<br>
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<br>
Mem: 16632608k total, 9663840k used, 6968768k free, 406064k buffers<br>
Swap: 9936160k total, 0k used, 9936160k free, 3951436k cached<br>
<br>
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND<br>
13847 auer_saw 20 0 228m 98m 27m R 45 0.6 1:05.38 firefox<br>
21212 murphy_c 20 0 273m 110m 26m S 29 0.7 0:39.00 firefox<br>
5203 clements 20 0 159m 59m 21m D 27 0.4 0:14.52 firefox<br>
4883 hembree_ 20 0 373m 181m 28m R 26 1.1 2:05.64 firefox<br>
27114 parks.ta 20 0 248m 106m 25m S 18 0.7 1:53.48 firefox<br>
24714 smith_ni 35 15 35836 19m 12m R 17 0.1 1494:26<br>
gnome-panel<br>
19552 straube. 20 0 162m 61m 22m S 13 0.4 0:04.91 firefox<br>
3344 weber_my 20 0 266m 108m 25m S 10 0.7 1:23.35 firefox<br>
13935 challman 20 0 280m 130m 26m S 10 0.8 2:40.12 firefox<br>
<br>
I ran vmstat and I see that I have lots of interrupts and context<br>
switches, and also processes waiting for attention.<br>
<br>
root@vbuntu:/var/log# vmstat 5 200<br>
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----<br>
r b swpd free buff cache si so bi bo in cs us sy id wa<br>
1 1 0 9555716 420520 4682252 0 0 7 28 73 47 18 1 80 1<br>
<br>
10 1 0 9550352 420572 4676348 0 0 562 3374 4284 17322 45 21 25 9<br>
1 1 0 9595204 420600 4683272 0 0 1221 1410 3730 6236 45 14 30 11<br>
1 0 0 9655864 420624 4677924 0 0 550 1334 4091 8094 44 9 39 8<br>
2 2 0 9654436 420628 4677756 0 0 0 2533 3836 6361 30 5 60 5<br>
4 0 0 9743600 420652 4677408 0 0 0 166 3663 5912 33 6 61 0<br>
1 1 0 9816940 420672 4681848 0 0 439 202 3421 5607 35 7 49 9<br>
3 1 0 9775504 420708 4693380 0 0 1000 1069 3771 4855 39 6 38 16<br>
4 0 0 9742368 420716 4688016 0 0 105 2130 3539 4844 36 5 55 4<br>
4 0 0 9754888 420716 4688128 0 0 0 222 3389 5058 32 4 64 0<br>
1 0 0 9756060 420720 4688072 0 0 0 82 2947 3813 26 4 70 0<br>
1 0 0 9881396 420736 4688160 0 0 0 218 3683 6299 36 8 57 0<br>
1 0 0 9881144 420744 4688208 0 0 0 124 3006 3872 28 3 69 0<br>
1 2 0 9865324 420756 4699228 0 0 198 2128 3130 3660 36 5 50 9<br>
1 0 0 9871528 420776 4690000 0 0 134 2975 3532 3999 39 7 47 7<br>
4 0 0 9874736 420800 4691984 0 0 22 142 3323 3826 30 3 66 0<br>
2 0 0 9842856 420828 4706212 0 0 162 3079 3330 3998 51 6 37 6<br>
4 0 0 9830752 420872 4710852 0 0 58 1092 3156 3737 54 4 41 1<br>
1 0 0 9846836 420876 4693096 0 0 38 388 3471 5125 43 4 52 0<br>
1 0 0 9847376 420876 4693104 0 0 0 3789 3805 5539 30 5 60<br>
<br>
As you can imagine the user experience right now it not great. Can<br>
anyone give me some ideas<br>
about reducing load on the system?<br>
<br>
Thanks!<br>
<br>
John<br>
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