As ext4 is a standard de facto filesystem for many modern Linux
system, I am getting a lot of question if this is good for SSD,
or something else (i.e. xfs) should be used.
Traditionally our recommendation is xfs, and it comes to known problem in ext3, where IO gets serialized per i_node in O_DIRECT mode (check for example Domas’s post)
However from the results of my recent benchmarks I felt that this should be revisited.
While I am still running experiments, I would like to share earlier results what I have.
I use STEC SSD drive 200GB SLC SATA …[Read more...]