Editing Performance
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=== Memory Utilization === | === Memory Utilization === | ||
− | ZFS uses memory caching to improve performance. Filesystem meta-data, data, and the | + | ZFS uses memory caching to improve performance. Filesystem meta-data, data, and the De-duplication Tables (DDT) are stored in the ARC, allowing frequently accessed data to be accessed many times faster than possible from hard disk media. The performance that you experience with ZFS can be directly linked to the amount of memory that is allocated to the ARC. |
− | O3X uses Wired (non-pageable) memory for the ARC. Activity Monitor and | + | O3X uses Wired (non-pageable) memory for the ARC. Activity Monitor and Top can display the total amount of Wired memory allocated. O3X is not the only user of wired memory, it is possible to examine the amount of memory (measured in bytes) in use by O3X by issuing the command: |
::$ sysctl kstat.spl.misc.spl_misc.os_mem_alloc | ::$ sysctl kstat.spl.misc.spl_misc.os_mem_alloc | ||