Testing Out The SSD Mode In Btrfs
Phoronix: Testing Out The SSD Mode In Btrfs
One month ago we provided benchmarks of the Btrfs file-system and found that while it contained many features to make it a next-generation Linux file-system, its disk performance was rather displeasing. We had found the EXT4 file-system ran faster in a number of the tests and even EXT3 and XFS had their own advantages. Besides offering features like snapshots and online defragmentation, Btrfs has a mode that is optimized for solid-state drives. Will the Btrfs SSD mode cause this new Oracle-sponsored file-system to be the best for non-rotating media? We have benchmarks in this article, but the results may not be what one would expect.
mount -o ssd updates in 2.6.30-rc
Thanks for running these, just a note that the mount -o ssd option has changed quite a bit during 2.6.30-rc, so updating the kernel should give different results.
At least on my ssd, it does improve writeback speeds quite a bit ;)