Date: Sun, 25 Apr 2021 14:57:05 +0200 From: Rainer Duffner <rainer@ultra-secure.de> To: Jeff Love <jl@burgh.net> Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD 13.0 terrible performance in KVM Message-ID: <F39FB4D4-6D2D-4EC8-AAC6-1BC5732B3646@ultra-secure.de> In-Reply-To: <1699dc93-7070-e5f0-8fc1-2ca4f77db3ac@burgh.net> References: <AKYOQu-q6fYoMOt_DBnDKFsHwIX2WYQiAsy0IqDO39auUExYH6L8mVG0mrSKW9G-XRSPjeuB9NxrZsYPira8Gv4NodyIx7z4w_iqxjJwS-Y=@protonmail.ch> <1699dc93-7070-e5f0-8fc1-2ca4f77db3ac@burgh.net>
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> Am 24.04.2021 um 15:03 schrieb Jeff Love <jl@burgh.net>: >=20 > I'm running 12.2 and 13.0 on KVM using virtio and zfs. I am not having = disk I/O issues. UFS or ZFS does not make a difference for me. ZFS is faster on read due to compression - that=E2=80=99s why back in = the XenServer days I didn=E2=80=99t even realize it until somebody = complained. It=E2=80=99s just a tad laggy in idle or normal conditions, but any kind = of IO brings the system down to a crawl - and that is noticeable.
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