ZFS and a spare SSD: ZIL or L2ARC?

Steve O'Hara-Smith steve at sohara.org
Wed Feb 13 17:12:04 UTC 2019

On Wed, 13 Feb 2019 18:02:51 +0100
Andrea Venturoli <ml at netfence.it> wrote:

> Now I've just got hold of a spare SSD and, although the box performance 
> is adequate, I'd like to see if it can boost it.
> Should I configure it as L2ARC? ZIL? Both?

	In my experience L2ARC tends to run full and ZIL uses almost none
of the space allocated. But then my workload is read heavy - for a write
heavy workload ZIL is probably more beneficial.

Steve O'Hara-Smith <steve at sohara.org>

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