Comment 9 for bug 601299

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Conn O Griofa (psyke83) wrote : Re: maverick btrfs slow install

James,

In comment #6 you mentioned that you experience no btrfs slowdowns in a virtualized environment. That's probably because btrfs is running on an underlying filesystem, with a separate caching mechanism by the physical hard disk and host OS's handling of your disk. The net effect seems to mitigate whatever performance issues exist with btrfs, as opposed to what happens when used directly on bare metal.