Hi, I recently tried to figure out the best and easiest ways to increase block I/O performances with qemu. Not being a qemu expert, I expected to find a few optimization tricks. Much to my surprise, it appears that there are many significant improvements being worked on. This is excellent news :-)
However, I'm not sure I understand how they all fit together. It's probably quite obvious from the developer point of view but I would very much appreciate an overview of how dataplane, vhost-blk, ELVIS etc. should be used or developed to maximize I/O performances. Are there documents I should read ? If not, would someone be willing to share bits of wisdom ? I've been using qemu for a long time and I'm very happy about it. Thanks to all the developers :-) Cheers -- Loïc Dachary, Artisan Logiciel Libre
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