On 2015-04-29 15:05, Mike Galbraith wrote:
I've been using the defaults for it and have been perfectly happy, although I do use a few non-default mount options (like noatime and noquota). It may just be a factor of what exactly the tests are doing. Based on my experience, xfs _is_ better performance wise with a few large files instead of a lot of small ones when used with the default mkfs options. Of course, my uses for it are more focused on stability and reliability than performance (my primary use for XFS is /boot, and I use BTRFS for pretty much everything else).Here's something that _might_ interest xfs folks. cd git (source repository of git itself) make clean echo 3 > /proc/sys/vm/drop_caches time make -j8 test ext4 2m20.721s xfs 6m41.887s <-- ick btrfs 1m32.038s tux3 1m30.262s Testing by Aunt Tilly: mkfs, no fancy switches, mount the thing, test. Are defaults for mkfs.xfs such that nobody sane uses them, or does xfs really hate whatever git selftests are doing this much? -Mike
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