Date: Mon, 4 Apr 2016 17:38:30 -0700 From: Wim Lewis <wiml@omnigroup.com> To: "freebsd-fs@FreeBSD.org" <freebsd-fs@freebsd.org> Subject: ZFS pool with a large number of filesystems Message-ID: <34DB45E8-7E1F-4D7C-96FF-E0A403EE8000@omnigroup.com>
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I'm curious how many ZFS filesystems are reasonable to have on a single = machine (in a single zpool). We're contemplating a design in which we'd = have tens of thousands, perhaps a couple hundred thousand, filesystems = mounted out of the same pool. Before we go too far into investigating = this idea: Does anyone have real-world experience doing something like = that? Is it a situation that ZFS-on-FreeBSD is engineered to handle with = good performance? Is there a rough estimate of the resources consumed = per additional filesystem (in terms of kernel VM and disk space)? Thanks for any insight or advice (even, or especially, if the answer is = "that's crazy, don't do that" :) ) Wim Lewis / wiml@omnigroup.com
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