How Many Virtual Machines ( Containers ) on single machine
2654 and counting...
time vzlist | wc
2654 13270 209666
real 0m1.559s
user 0m0.560s
sys 0m0.508s
# time vzlist|tail
78246 5 running 10.198.8.246 h8246
78247 6 running 10.198.8.247 h8247
78248 6 running 10.198.8.248 h8248
78249 5 running 10.198.8.249 h8249
78250 5 running 10.198.8.250 h8250
78251 6 running 10.198.8.251 h8251
78252 5 running 10.198.8.252 h8252
78253 5 running 10.198.8.253 h8253
78254 6 running 10.198.8.254 h8254
78255 6 running 10.198.8.255 h8255
with more getting ready to start:
vzlist -a|wc
2147 10735 169613
time nice vzctl start 792
Starting VE ...
VE is mounted
Adding IP address(es): 10.198.9.2
Setting CPU units: 1000
Configure meminfo: 4943134
Set hostname: h92
VE start in progress...
real 0m9.627s
user 0m0.072s
sys 0m0.780s
# ping -c 2 10.198.9.2
PING 10.198.9.2 (10.198.9.2) 56(84) bytes of data.
64 bytes from 10.198.9.2: icmp_seq=1 ttl=64 time=0.053 ms
64 bytes from 10.198.9.2: icmp_seq=2 ttl=64 time=0.050 ms
--- 10.198.9.2 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1000ms
rtt min/avg/max/mdev = 0.050/0.051/0.053/0.007 ms
# curl 10.198.9.2|head -2
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 3585 100 3585 0 0 1354k 0 --:--:-- --:--:-- --:--:-- 0
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
# time ( for n in `seq 1 255`; do echo $n;time nice vzctl start 8232$n;sleep 7s; done) ...... Starting VE ... VE is mounted Adding IP address(es): 10.198.232.255 Setting CPU units: 10 Configure meminfo: 4943134 Set hostname: h232255 VE start in progress... real 0m10.227s user 0m0.088s sys 0m1.300s real 86m35.010s user 0m23.617s sys 14m18.666s
08:45:45 up 4 days, 15:02, 15 users, load average: 0.38, 1.03, 19.61
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root tty1 - Sat09 3days 0.04s 0.02s -bash
root pts/2 ::S.1 Fri17 37:01m 3.96s 2.74s vzctl enter dev
1 [||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 47.9%] Tasks: 19801 total, 2 running
2 [||||| 2.4%] Load average: 0.35 0.98 19.20
3 [|||||| 3.0%] Uptime: 4 days, 15:02:39
4 [||||| 2.1%]
5 [||| 1.4%]
6 [||| 1.0%]
7 [||| 1.3%]
8 [ 0.0%]
9 [| 0.3%]
10 [ 0.0%]
11 [ 0.0%]
12 [| 0.3%]
13 [ 0.0%]
14 [ 0.0%]
15 [ 0.0%]
16 [ 0.0%]
17 [ 0.0%]
18 [ 0.0%]
19 [ 0.0%]
20 [| 0.3%]
21 [ 0.0%]
22 [ 0.0%]
23 [ 0.0%]
24 [ 0.0%]
Mem[||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 21669/32181MB]
Swp[|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 1153/2047MB]
PID USER PRI NI VIRT RES SHR S CPU% MEM% TIME+ Command
58748 root 20 0 12372 188 52 S 100. 0.0 0:00.00 init [S]
58743 root 20 0 25940 7964 980 R 47.7 0.0 0:04.98 htop
74424 root 30 10 22656 4872 3584 S 4.8 0.0 0:03.92 /opt/tivoli/tsm/client/ba/bin/dsmc sched -quiet
8292 www-data 20 0 55684 1280 476 S 0.7 0.0 0:01.43 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
8442 www-data 20 0 55684 1284 476 S 0.7 0.0 0:01.24 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
14686 root 20 0 12372 756 620 S 0.7 0.0 3:02.17 init [2]
17428 www-data 20 0 55684 1280 476 S 0.7 0.0 0:01.78 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
23265 root 30 10 22660 4876 3584 S 0.7 0.0 0:10.35 /opt/tivoli/tsm/client/ba/bin/dsmc sched -quiet
25871 www-data 20 0 55684 1280 476 S 0.7 0.0 0:01.36 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
28529 root 20 0 23112 1216 800 S 0.7 0.0 0:17.50 /usr/sbin/dropbear -d /etc/dropbear/dropbear_dss_host_key -r /etc/dropbear/dropbear_rsa_host_key -p 3389 -W 65536
28535 www-data 20 0 55684 1284 476 S 0.7 0.0 0:01.64 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
51939 www-data 30 10 55684 1284 476 S 0.7 0.0 0:00.56 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
52941 root 30 10 12372 756 620 S 0.7 0.0 0:11.56 init [2]
54814 root 20 0 22660 4876 3584 S 0.7 0.0 0:30.26 /opt/tivoli/tsm/client/ba/bin/dsmc sched -quiet
61281 root 20 0 22660 4876 3584 S 0.7 0.0 0:31.48 /opt/tivoli/tsm/client/ba/bin/dsmc sched -quiet
63615 www-data 30 10 55684 1284 476 S 0.7 0.0 0:00.76 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
67856 root 30 10 22660 4876 3584 S 0.7 0.0 0:18.00 /opt/tivoli/tsm/client/ba/bin/dsmc sched -quiet
68693 root 30 10 22660 4872 3584 S 0.7 0.0 0:12.06 /opt/tivoli/tsm/client/ba/bin/dsmc sched -quiet
69653 root 30 10 22664 4880 3584 S 0.7 0.0 0:03.48 /opt/tivoli/tsm/client/ba/bin/dsmc sched -quiet
71998 root 30 10 12372 752 620 S 0.7 0.0 0:14.22 init [2]
76730 www-data 30 10 55684 1284 476 S 0.7 0.0 0:00.76 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
926 root 20 0 12372 752 620 S 0.3 0.0 2:04.40 init [2]
2496 root 20 0 12372 752 620 S 0.3 0.0 1:07.10 init [2]
3637 root 20 0 12372 752 620 S 0.3 0.0 1:44.90 init [2]
4376 root 20 0 22764 4944 3636 S 0.3 0.0 0:45.56 /opt/tivoli/tsm/client/ba/bin/dsmc sched -quiet
5826 root 20 0 28628 6388 816 S 0.3 0.0 4:35.18 SCREEN
7011 root 20 0 12372 752 620 S 0.3 0.0 3:46.99 init [2]
9501 root 20 0 12372 752 620 S 0.3 0.0 0:42.35 init [2]
11009 root 20 0 12372 752 620 S 0.3 0.0 2:37.05 init [2]
14580 root 20 0 12372 752 620 S 0.3 0.0 1:26.70 init [2]
19243 root 20 0 12372 752 620 S 0.3 0.0 1:04.25 init [2]
20913 root 20 0 12372 752 620 S 0.3 0.0 7:01.50 init [2]
28733 root 20 0 12372 752 620 S 0.3 0.0 0:52.75 init [2]
53374 root 20 0 22660 4876 3584 S 0.3 0.0 0:33.17 /opt/tivoli/tsm/client/ba/bin/dsmc sched -quiet
1202 www-data 20 0 55684 1288 476 S 0.0 0.0 0:01.54 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
10567 www-data 20 0 55684 1284 476 S 0.0 0.0 0:01.08 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
11566 root 20 0 22664 4880 3584 S 0.0 0.0 0:21.90 /opt/tivoli/tsm/client/ba/bin/dsmc sched -quiet
11745 www-data 20 0 55684 1280 476 S 0.0 0.0 0:01.46 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
12268 www-data 20 0 55684 1280 476 S 0.0 0.0 0:01.21 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
44072 root 30 10 12372 756 620 S 0.0 0.0 0:12.40 init [2]
90100 www-data 30 10 55684 1284 476 S 0.0 0.0 0:00.44 /usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf
12828 root 20 0 12372 756 620 S 0.0 0.0 4:10.06 init [2]
1 root 20 0 10316 748 616 S 0.0 0.0 30:51.95 init [2]
305 daemon 20 0 12148 556 420 S 0.0 0.0 0:00.00 /sbin/portmap
# free -m
total used free shared buffers cached
Mem: 32181 26961 5220 0 0 5298
-/+ buffers/cache: 21662 10519
Swap: 2047 1153 894
| How Many Virtual Machines ( Containers ) on single machine | | 2010.10.06-16:28.00
