>Hi, I'm using KVM, and the virtual disk (a 20 GB file using the "raw" >qemu format according to virt-manager and, of course, placed on a btrfs >filesystem, running the latest mainline git) is awfully slow, no matter >what OS is running inside the VM. The PCBSD installer says it's copying >data at a 40-50 KB/s rate. Is someone using KVM and having better numbers >than me? How can I help to debug this workload?
Maybe cache=writeback helps? -drive file=image.raw,cache=writeback -Markus -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
