On 10/27/2009 02:13 AM, Floris Bos wrote:
Hi, I am running Proxmox 1.4 (which uses the 2.6.30.1 kvm modules) and am experiencing performance problems with Linux guests using the virtio_blk module. Especially with random IO it is a lot slower than IDE.
Try switching the host I/O scheduler to deadline. You can do that at runtime in /sys/block/.../queue.
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