Date: Sat, 20 Feb 2016 23:13:51 +0700 From: Tinker <tinkr@openmailbox.org> To: freebsd-virtualization@freebsd.org Subject: What overhead should BHyVe incur vs. guest directly on bare metal, for memory mapped and non-memory-mapped IO to block device within the =?UTF-8?Q?guest=3F?= Message-ID: <b1096756a534a4dc1ec8e259d1aec149@openmailbox.org>
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Just to get your rough approximation. OpenBSD guest. E5 Xeon CPU. SSD:s with 4 or 16KB physical sector size. In the virtualized case, the guest accesses the physical storage via a virtio block device, and the host keeps the image within a ZFS (so it gets ZFS' checksumming) and
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