Hi all,
我发现一台装好KVM的host比较慢，有两个qemu-kvm进程占用内存太高，如下：
这种情况正常吗？
{{
top - 16:55:53 up 6 days, 23:25, 3 users, load average: 0.00, 0.00, 0.00
Tasks: 196 total, 1 running, 195 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.8%us, 0.5%sy, 0.0%ni, 98.2%id, 0.5%wa, 0.0%hi, 0.0%si,
0.0%st
Mem: 1920612k total, 1824932k used, 95680k free, 102468k buffers
Swap: 4128760k total, 520924k used, 3607836k free, 314224k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
13138 root 20 0 1819m 416m 4872 S 1.0 22.2 29:09.82 qemu-kvm
12994 root 20 0 2326m 409m 4872 S 0.3 21.9 22:08.52 qemu-kvm
12760 root 20 0 2189m 107m 9572 S 1.0 5.7 5:27.47 jsvc
1861 root 20 0 202m 31m 6392 S 0.0 1.7 0:18.66 Xorg
2096 john 20 0 474m 15m 7988 S 0.0 0.8 0:00.42 nautilus
2162 john 20 0 451m 10m 7920 S 0.0 0.6 0:08.35 clock-applet
2073 john 20 0 496m 10m 6248 S 0.0 0.6 0:22.92 gnome-settings-
2092 john 20 0 321m 10m 7592 S 0.0 0.6 0:16.97 gnome-panel
2177 john 20 0 288m 10m 7076 S 0.0 0.5 0:00.10 gnome-terminal
17124 root 20 0 1008m 9.9m 3828 S 0.0 0.5 0:00.46 libvirtd
2129 john 20 0 458m 9896 7292 S 0.0 0.5 0:00.87 gpk-update-icon
2140 john 20 0 359m 9812 7088 S 0.0 0.5 0:00.04 gnome-volume-co
}}
我用的测试小PC, 2G内存，这样的话内存基本完了：
{{
[root@kvmhost1 ~]# free -m
total used free shared buffers cached
Mem: 1875 1783 91 0 100 306
-/+ buffers/cache: 1376 498
Swap: 4031 508 3523
}}
--
BR John Pang
