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Thursday, November 8 • 4:00pm - 4:30pm
Virtio-blk Performance Improvement - Asias He, Red Hat

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1) A very short overview of storage choices in KVM
+ IDE, AHCI, SCSI, virito-scsi, virtio-blk, device assignment, network based (glusterfs, sheepdog, etc.) 
+ performance comparison (esp. virtio-scsi v.s virtio-blk)
+ why improve virtio-blk
2) Host side improvement for virtio-blk
+ userspace based virito-blk solution
- QEMU current v.s QEMU data-plane v.s kvm tool's virio-blk
+ vhost based virito-blk solution
- using existing kernel aio interface
- using new in kernel aio interface 
- using in kernel bio interface
+ userspace solution v.s. vhost solution
3) Guest side improvement for virtio-blk
+ bio based virtio-blk
+ bio based v.s. request based virtio-blk
4) Future work
+ multiqueue virtio-blk


Speakers
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Asias He

My name is Asias He. I work for RedHat\'s virtualization team. I\'ve been working on storage performance improvement recently. Also, I have been working on the the Native Linux KVM tools project since 2010. I did a presentation on Native Linux KVM tools on


Thursday November 8, 2012 4:00pm - 4:30pm
Rubi

Attendees (14)