Re: [Qemu-devel] [PATCHv2] qemu-img: set nocow flag to new file

2013-11-17 Thread Chunyan Liu
2013/11/15 Kevin Wolf > Am 15.11.2013 um 06:01 hat Chunyan Liu geschrieben: > > Set NOCOW flag to newly created images to solve performance issues on > btrfs. > > > > Btrfs has terrible performance when hosting VM images, even more when > the guest > > in those VM are also using btrfs as file sys

Re: [Qemu-devel] [PATCHv2] qemu-img: set nocow flag to new file

2013-11-15 Thread Kevin Wolf
Am 15.11.2013 um 06:01 hat Chunyan Liu geschrieben: > Set NOCOW flag to newly created images to solve performance issues on btrfs. > > Btrfs has terrible performance when hosting VM images, even more when the > guest > in those VM are also using btrfs as file system. One way to mitigate this bad