Solaris72 wrote:That value is correct for 4G. It's worth confirming because I see quite a lot of people making mistakes with the numbers and then wonder why things don't add up or work as expected. The value is only read at boot time as part of the call to arc_init() and can't be changed on the fly.
I don't think my entry is wrong on /etc/system as i see available memory 28+G with no application running
Based on my initial post, do my arc usage exceeds 4G or I'm reading that wrong (zfs_file_data)?"ZFS File Data" isn't the size of the ARC. Using the kstat or mdb commands I provided in the previous post you can check the ARC in more detail: