You can limit using this parameteer in /etc/system zfs_arc_max
http://docs.oracle.com/cd/E19253-01/817-0404/gjhec/index.html
There is an example in this doc : How to Check and Analyze Solaris Memory Usage (Doc ID 1009500.1)
— snip —
In case the amount of ZFS File Data is too high on the system, you might to consider to limit the ARC cache
by setting zfs:zfs_arc_max in /etc/system
set zfs:zfs_arc_max = [size]
i.e. limit the cache to 1 GB in size
set zfs:zfs_arc_max = 1073741824
Please check the following documents to check/limit the ARC
How to Understand «ZFS File Data» Value by mdb and ZFS ARC Size. (Doc ID 1430323.1)
Oracle Solaris Tunable Parameters Reference Manual
Regards
Eze
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