- Display the zone’s current memory cap:
# rcapstat -z 1 1 id zone cappd nproc vm rss cap at avgat pg avgpg 1 zone1 Yes - 16G 16G 32G 0K 0K 0K 0K using zonecfg: # zonecfg -z zone1 info capped-memory capped-memory: physical: 32G [swap: 8G] [locked: 16G] If the zone has no memory cap it will not appear in the above output.
Display the zone’s current usage (see the last two columns to view the total cap and the percentage of the cap currently in use):
# zonestat -z zone1 -r memory 1 1
Collecting data for first interval…
Interval: 1, Duration: 0:00:01
PHYSICAL-MEMORY SYSTEM MEMORY
mem_default 256G
ZONE USED %USED CAP %CAP
[total] 113G 44.4% - -
[system] 27.9G 10.9% - -
zone1 46.1G 18.0% 16.0G 72.0%
- Solaris 10 – 11.1
# prctl -n zone.max-swap -v 48g -r -i zone zone1 # rcapadm -z zone1 -m 16g
- Solaris 11.2 onwards – Kernel zones will require reboot
# zonecfg –z zone1 zonecfg:zone1> select capped-memory zonecfg:zone1:capped-memory> set physical=24g zonecfg:zone1:capped-memory> end zonecfg:zone1> verify zonecfg:zone01> exit # zoneadm -z zone1 apply zone 'zone1': Checking: Adding capped-memory set physical=24g zone 'zone1': Applying the changes
Display current memory usage:
$ echo "::memstat" | mdb -k Usage Type/Subtype Pages Bytes %Tot %Tot/%Subt Kernel 8950943 68.2g 14.3% Regular Kernel 2234192 17.0g 3.5%/24.9% Defdump prealloc 6716751 51.2g 10.7%/75.0% ZFS 5285926 40.3g 8.4% Kernel Zones 26224640 200.0g 41.9% User/Anon 255173 1.9g 0.4% Exec and libs 2376 18.5m 0.0% Page Cache 6894 53.8m 0.0% Free (cachelist) 18459 144.2m 0.0% Free 21744165 165.8g 34.7% Regular Free 13093413 99.8g 20.9%/60.2% MRP reserved mem 8650752 66g 13.8%/39.7% Total 62488576 476.7g 100%