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| From: | Avi Kivity |
| Subject: | Re: [Qemu-devel] Anyone seeing huge slowdown launching qemu with Linux 2.6.35? |
| Date: | Wed, 04 Aug 2010 19:44:27 +0300 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.7) Gecko/20100720 Fedora/3.1.1-1.fc13 Thunderbird/3.1.1 |
On 08/04/2010 03:53 PM, Anthony Liguori wrote:
So how do we enable support for more than 20 disks? I think a virtio-scsi is inevitable..
Not only for large numbers of disks, also for JBOD performance. If you have one queue per disk you'll have low queue depths and high interrupt rates. Aggregating many spindles into a single queue is important for reducing overhead.
-- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.
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