Date: Tue, 17 Oct 2023 23:33:27 +0100 From: void <void@f-m.fm> To: freebsd-fs@freebsd.org Subject: performance impact of various compression schemes on a zvol Message-ID: <ZS8Lt5wGKc6vIRrf@int21h>
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What's the perfomance penalty on zvols of compression? The impact on the host? I've searched and cannot find figures. I'm not looking for exact numbers, more rather would zstd-9 or zstd-6 be better, more suited to zvol (compression and speed) than lz4, possibly because it's more recent? Or would no compression at all be 'best'? In the example, cpu is E5-2690, ram is 512GB, disks are ssd (these register as nda0 and nda1, as a zpool striped config) The zvols are bhyve instances. The host is recent -current. TIA for any tips. --
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