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From Yujiang Pang <yujiang.p...@tieto.com>
Subject KVM host上两个qemu-kvm进程占用内存太高
Date Tue, 17 Jun 2014 08:59:53 GMT
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

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