On Mon, Dec 08, 2008 at 10:21:14AM -0800, Jeremy Allison wrote: > Here's a really interesting paper from Intel > that they recently brought to my attention. > > http://software.intel.com/en-us/articles/windows-client-cifs-behavior-can-slow-linux-nas-performance > > Looks like using XFS for your Linux Samba > server, or setting "strict allocate = yes" can make > a big difference due to sparse file issues. Glibc 2.7 (as shipped in Ubuntu Hardy) has posix_fallocate wired up to the fallocate system call, and ext4 supports delayed allocation as well as preallocation. There are number of userspace applications --- rsync, samba, and most bittorrent applications come to mind --- where use of fallocate would be a big win. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
