On Tue, May 3, 2011 at 8:03 AM, Bernhard Schmidt <be...@birkenwald.de> wrote: > Hi, > >> Ok, looks like we could be doing a little better job when compression is >> on to build out a bigger extent. This shouldn't be causing trouble on >> an ssd at all but on your rotating disk it'll be slightly slower. >> >> Still most of these extents are somewhat close together, this is roughly >> what mount -o ssd (which is enabled automatically when we detect a >> non-rotating drive) would try for. >> >> The problematic files are going to have thousands of extents, this file >> should be fine. > > Thanks, I'll check on my system with rotating disks at home when I get back. >
I'd also be curious to see if mounting with "-o compress-force=lzo" affects anything. As I recall, the compress-force option was added because performance could be affected negatively when trying to optimize compression with "-o compress". -- 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
