I've been trying F12's vinagre as a means of remoting a RHEL5.4 server's
display to a central console. A full screen display can be remoted with
vinagre, but the VNC connection is quite slow and pausey even over a
Gigabit Ethernet. This slowdown is not just on the remote F12 viewing
console. The connection is driving one of four cores on the RHEL5.4
server to almost 100%, dramatically dragging performance down on its
local console. Here's a snapshot of "top" several minutes *after* the
vinagre connection is dropped:
top - 23:57:46 up 6 days, 8:02, 5 users, load average: 2.81, 2.55,
2.47
Tasks: 253 total, 3 running, 250 sleeping, 0 stopped, 0 zombie
Cpu(s): 13.2%us, 2.2%sy, 0.0%ni, 59.7%id, 0.0%wa, 0.1%hi, 24.8%si,
0.0%st
Mem: 8175136k total, 8135640k used, 39496k free, 191424k buffers
Swap: 2032212k total, 216k used, 2031996k free, 6328248k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
9 root 39 19 0 0 0 R 99.7 0.0 213:12.23
ksoftirqd/2
4521 root 17 0 276m 58m 20m R 52.2 0.7 923:43.59 Xorg
4812 doc 15 0 316m 22m 15m S 3.0 0.3 285:21.38
vino-server
25226 doc 15 0 367m 27m 12m S 2.3 0.3 1:35.28
npviewer.bin
4269 haldaemo 15 0 12324 852 736 S 1.0 0.0 0:05.32
hald-addon-keyb
4910 doc 16 0 305m 13m 8280 S 0.7 0.2 0:17.39
wnck-applet
25829 root 15 0 12872 1284 860 R 0.7 0.0 0:03.09 top
4810 doc 15 0 155m 10m 6704 S 0.3 0.1 0:46.01 metacity
4820 doc 15 0 561m 46m 18m S 0.3 0.6 0:07.36 nautilus
16963 root 15 0 74520 3156 400 S 0.3 0.0 0:16.70 rsync
1 root 15 0 10348 688 584 S 0.0 0.0 0:02.87 init
2 root RT -5 0 0 0 S 0.0 0.0 0:03.92
migration/0
3 root 34 19 0 0 0 S 0.0 0.0 6:49.77
ksoftirqd/0
4 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/0
5 root RT -5 0 0 0 S 0.0 0.0 0:00.11
migration/1
6 root 34 19 0 0 0 S 0.0 0.0 14:49.71
ksoftirqd/1
7 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/1
8 root RT -5 0 0 0 S 0.0 0.0 0:00.42
migration/2
10 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/2
11 root RT -5 0 0 0 S 0.0 0.0 0:00.01
migration/3
12 root 34 19 0 0 0 S 0.0 0.0 98:33.64
ksoftirqd/3
13 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/3
14 root 10 -5 0 0 0 S 0.0 0.0 0:00.21 events/0
15 root 10 -5 0 0 0 S 0.0 0.0 0:01.01 events/1
16 root 10 -5 0 0 0 S 0.0 0.0 0:00.34 events/2
17 root 10 -5 0 0 0 S 0.0 0.0 0:00.20 events/3
Can someone suggest a safe way to bring the load average back to its
"pre-vinagre" value of ~0.05. The "kill -9" command is ineffective on
ksoftirqd.
--Doc Savage
Fairview Heights, IL
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