Date: Fri, 18 Nov 2016 15:37:51 +0100 From: "Christoph P.U. Kukulies" <kuku@kukulies.org> To: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: testing SSD performance Message-ID: <9966b2a4-8812-3de1-8a9e-05bc96c8ef3c@kukulies.org>
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I was running an older FreeBSD (9.2) for quite a while now with the root FS (and swap) an an SSD drive (100GB). While upgrading the system to 11.0 and while observing quit elong buildworld times I'm wondering myself if my SSD possibly might have gotten degraded some extent. I've read that SSD tend to run slow on writes over time, especially when no provisions were taken to e.g. fill them up just up to 2/3 of their max capacity to leave room for firmware storage management. Is there a quick tool to test overall performance (disk i/o and processor overall system speed)? -- Christoph
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