vzstat is a little vzlist enhancer for vSwap-enabled OpenVZ kernels. It shows the RAM usage
in a human-readable way and makes a summary on your RAM/CPU overcommitment.
CTID HOSTNAME USED / TOTAL LOADAVG CPUS CPUUNITS
1001 [xxxxxx.ru ] 371 / 1024 MB 0.22/0.27/0.27 0 1000
1002 [xxxxxxxx.ru ] 570 / 2048 MB 0.35/0.47/0.50 1 600
1003 [xxxxxxxxxxxxxxxxxxxx.ru ] 2638 / 3072 MB 5.71/7.41/8.36 0 166666
1005 [xxxxxxxxxxxxx ] 421 / 1024 MB 0.26/0.22/0.14 0 1000
1006 [xxxxxxxxxxxx ] 264 / 2561 MB 0.14/0.17/0.11 0 250000
1007 [xxxxxxxxxxxxx.com ] 30 / 4096 MB 0.00/0.00/0.00 4 600
1009 [xxxxxxxxxxx ] 70 / 4003 MB 0.00/0.00/0.00 0 166666
1010 [xxxxxxxxxxxxxxxxxxxxx ] 32 / 512 MB 0.00/0.00/0.00 0 99
1012 [xxxxxxxxxx ] 4541 / 5120 MB 2.12/2.12/2.34 0 166666
1013 [xxxxxxxxxxxxxx ] 227 / 1536 MB 0.00/0.00/0.00 0 166666
1014 [xxxxxxxxxx ] 970 / 2048 MB 0.44/0.50/0.48 1 600
1015 [(stopped) None ] 0 / 1024 MB None 0 133308
1016 [(stopped) None ] 0 / 1024 MB None 0 133308
1018 [(stopped) None ] 0 / 1024 MB None 0 133308
1019 [xxxxxxxxxx ] 696 / 1024 MB 0.00/0.00/0.00 0 166666
1021 [xxxxxxxxxxxxxxx ] 1022 / 1024 MB 1.82/1.58/0.90 0 1000
1024 [xxxxxx ] 158 / 1536 MB 0.00/0.00/0.00 0 1000
1025 [xxxxxxxxxxxxxxxxxxxxx.ru ] 5980 / 6144 MB 0.62/0.62/0.56 0 1000
1026 [xxxxxxxxx ] 261 / 512 MB 0.10/0.16/0.13 0 500
1039 [xxxxxxxxxxxxxxxxxxx ] 3114 / 4096 MB 0.18/0.27/0.24 0 1000
1066 [xxxxxxxxxxxxxxxxxxxxxx ] 3587 / 4096 MB 0.48/0.66/0.79 0 1000
Node loadavg: 13.09/13.14/13.72
Allocated cores: 6 / 12
Allocated memory: 48548 / 48172 MB (overcommitment: 376 MB)
- Enable Vortex RPM repository (
yum install -y http://vortex-rpm.org/el6/noarch/vortex-release-6-1.vortex.el6.noarch.rpm) yum install vzstat
- Python 2.6
- vSwap-enabled OpenVZ kernel (2.6.32+, RHEL6 branch)
- vzlist (comes with vzctl package)
Simply run it. If you will pass -a as an argument, all containers (including stopped ones) will be shown.