Date: Wed, 13 Feb 2019 17:11:42 +0000 From: Steve O'Hara-Smith <steve@sohara.org> To: freebsd-questions@freebsd.org Subject: Re: ZFS and a spare SSD: ZIL or L2ARC? Message-ID: <20190213171142.33b7c430c5ec256b1cbafa42@sohara.org> In-Reply-To: <c296b7b3-8418-3966-66ed-502d25a848dd@netfence.it> References: <c296b7b3-8418-3966-66ed-502d25a848dd@netfence.it>
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On Wed, 13 Feb 2019 18:02:51 +0100 Andrea Venturoli <ml@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@sohara.org>
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