I have three node openstack
1. Controller - 16G memory
2. Compute1
3. Compute2
On controller node we have all component running except nova-compute.
Here is the memory usage of controller node and in botton you can see
neutron, nova-conductor and nova-api using most of memory.
[root@controller- ~]# /usr/local/bin/ps_mem.py
Private + Shared = RAM used Program
104.0 KiB + 16.5 KiB = 120.5 KiB sleep
164.0 KiB + 19.5 KiB = 183.5 KiB lsmd
172.0 KiB + 16.5 KiB = 188.5 KiB rngd
224.0 KiB + 42.0 KiB = 266.0 KiB atd
252.0 KiB + 71.0 KiB = 323.0 KiB agetty (2)
304.0 KiB + 163.0 KiB = 467.0 KiB inet_gethost (2)
504.0 KiB + 50.0 KiB = 554.0 KiB irqbalance
416.0 KiB + 145.0 KiB = 561.0 KiB ksmtuned
344.0 KiB + 238.0 KiB = 582.0 KiB mysqld_safe
524.0 KiB + 65.0 KiB = 589.0 KiB auditd
560.0 KiB + 29.0 KiB = 589.0 KiB systemd-machined
560.0 KiB + 64.0 KiB = 624.0 KiB smartd
548.0 KiB + 119.0 KiB = 667.0 KiB chronyd
600.0 KiB + 75.5 KiB = 675.5 KiB gssproxy
676.0 KiB + 37.0 KiB = 713.0 KiB crond
712.0 KiB + 56.0 KiB = 768.0 KiB nrpe
812.0 KiB + 40.5 KiB = 852.5 KiB systemd-logind
848.0 KiB + 80.5 KiB = 928.5 KiB systemd-udevd
852.0 KiB + 90.0 KiB = 942.0 KiB dbus-daemon
676.0 KiB + 330.0 KiB = 1.0 MiB avahi-daemon (2)
492.0 KiB + 534.0 KiB = 1.0 MiB monitor (2)
996.0 KiB + 66.0 KiB = 1.0 MiB ovsdb-client
1.1 MiB + 100.0 KiB = 1.2 MiB master
956.0 KiB + 328.0 KiB = 1.3 MiB ovsdb-server
1.2 MiB + 90.0 KiB = 1.3 MiB lvmetad
1.3 MiB + 57.0 KiB = 1.4 MiB nagios
1.2 MiB + 240.0 KiB = 1.4 MiB pickup
1.3 MiB + 243.0 KiB = 1.5 MiB qmgr
1.5 MiB + 82.0 KiB = 1.6 MiB memcached
1.3 MiB + 541.5 KiB = 1.9 MiB abrt-watch-log
1.7 MiB + 263.5 KiB = 1.9 MiB bash
1.4 MiB + 712.0 KiB = 2.0 MiB sudo (2)
2.4 MiB + 69.0 KiB = 2.4 MiB epmd
2.1 MiB + 582.5 KiB = 2.6 MiB abrtd
2.6 MiB + 849.0 KiB = 3.4 MiB sshd (2)
3.8 MiB + 108.5 KiB = 3.9 MiB systemd
4.8 MiB + 30.0 KiB = 4.8 MiB redis-server
10.5 MiB + 262.5 KiB = 10.8 MiB polkitd
10.1 MiB + 1.0 MiB = 11.1 MiB libvirtd
11.9 MiB + 255.5 KiB = 12.2 MiB neutron-rootwra (2)
12.7 MiB + 363.0 KiB = 13.0 MiB tuned
3.2 MiB + 26.8 MiB = 30.1 MiB rsyslogd
37.1 MiB + 262.0 KiB = 37.4 MiB ceilometer-coll
38.7 MiB + 677.5 KiB = 39.3 MiB nova-novncproxy
41.7 MiB + 227.0 KiB = 41.9 MiB mongod
42.2 MiB + 231.5 KiB = 42.4 MiB ceilometer-agen
45.9 MiB + 235.0 KiB = 46.1 MiB neutron-dhcp-ag
47.7 MiB + 238.0 KiB = 47.9 MiB neutron-l3-agen
48.5 MiB + 237.5 KiB = 48.7 MiB neutron-openvsw
56.1 MiB + 491.0 KiB = 56.6 MiB ceilometer-api
23.6 MiB + 40.0 MiB = 63.6 MiB systemd-journald
63.3 MiB + 339.5 KiB = 63.6 MiB cinder-schedule
71.8 MiB + 618.0 KiB = 72.5 MiB ceilometer-alar (2)
80.5 MiB + 1.2 MiB = 81.7 MiB ceilometer-poll (2)
99.9 MiB + 366.0 KiB = 100.2 MiB nova-cert
101.7 MiB + 366.0 KiB = 102.1 MiB nova-scheduler
86.7 MiB + 17.8 MiB = 104.5 MiB cinder-volume (2)
105.8 MiB + 367.5 KiB = 106.2 MiB nova-consoleaut
114.1 MiB + 1.2 MiB = 115.3 MiB nova-compute
116.8 MiB + 621.5 KiB = 117.4 MiB ovs-vswitchd
145.4 MiB + 39.4 MiB = 184.8 MiB neutron-metadat (25)
349.3 MiB + 569.5 KiB = 349.9 MiB mysqld
387.9 MiB + 765.0 KiB = 388.7 MiB beam.smp
520.6 MiB + 13.2 MiB = 533.8 MiB httpd (15)
580.5 MiB + 67.1 MiB = 647.6 MiB glance-api (25)
782.9 MiB + 33.3 MiB = 816.2 MiB glance-registry (25)
1.7 GiB + 22.1 MiB = 1.7 GiB cinder-api (25)
1.8 GiB + 38.6 MiB = 1.9 GiB nova-conductor (25)
2.7 GiB + 49.5 MiB = 2.7 GiB neutron-server (49)
2.9 GiB + 194.5 MiB = 3.1 GiB nova-api (73)
---------------------------------
13.6 GiB
=================================
[root@controller ~]# free -m
total used free shared buff/cache available
Mem: 15759 14182 203 97 1373 1020
Swap: 4095 0 4095
_______________________________________________
Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
Post to : openstack@lists.openstack.org
Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
