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"Релиз FreeBSD 10.2" Отправлено Dmitry, 14-Авг-15 22:47
>[оверквотинг удален] > performance by using excessive disk I/O. Disk I/O throttling in KVM > provides the ability to set a limit on disk I/O requests > sent from virtual machines to the host machine. This can prevent > a virtual machine from over-utilizing shared resources and impacting the performance > of other virtual machines. > Disk I/O throttling can be useful in various situations, for example, where > guest virtual machines belonging to different customers are running on the > same host, or when quality of service guarantees are given for > different guests. Disk I/O throttling can also be used to simulate > slower disks." http://freebsd.1045724.n5.nabble.com/Is-the-BHyVe-guest-as-s... Вот кусок оттуда: bhyve creates 8 worker threads for each virtual disk controller (both ahci and virtio-blk). All guest I/O is handled asynchronously by these worker threads which provide parallelism.

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Сообщение*:	>>[оверквотинг удален] >> performance by using excessive disk I/O. Disk I/O throttling in KVM >> provides the ability to set a limit on disk I/O requests >> sent from virtual machines to the host machine. This can prevent >> a virtual machine from over-utilizing shared resources and impacting the performance >> of other virtual machines. >> Disk I/O throttling can be useful in various situations, for example, where >> guest virtual machines belonging to different customers are running on the >> same host, or when quality of service guarantees are given for >> different guests. Disk I/O throttling can also be used to simulate >> slower disks." > http://freebsd.1045724.n5.nabble.com/Is-the-BHyVe-guest-as-suitable-for-high-performance-disk-IO-as-the-host-td6010646.html > Вот кусок оттуда: > bhyve creates 8 worker threads for each virtual disk controller (both > ahci and virtio-blk). > All guest I/O is handled asynchronously by these worker threads which > provide parallelism.
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