ZFS: Difference between revisions
imported>Parthenon how to change ZFS ARC maximum size |
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== Changing the Cache Size == | == Changing the Cache Size == | ||
ZFS has a complicated cache system. The cache you're most likely to want to fiddle with is the called the | ZFS has a complicated cache system. The cache you're most likely to want to fiddle with is the called Adaptive Replacement Cache, usually abbreviated ARC. This is the first-level (fastest) of ZFS's caches. | ||
You can increase or decrease a parameter which represents approximately the maximum size of the ARC cache. You can't set its actual size (ZFS does that adaptively according to its workload), nor can you set its exact maximum size. | You can increase or decrease a parameter which represents approximately the maximum size of the ARC cache. You can't set its actual size (ZFS does that adaptively according to its workload), nor can you set its exact maximum size. | ||