Ask HN: Linux Ext4 Disk Optimization
If ext4 need no defragmentation then how/what definitively to optimize its disk access operation Nothing ext4 specific IIRC. There are some kernel optimization you can do, like this, but consider some of that to be a placebo: https://unix.stackexchange.com/questions/30286/can-i-configu... Other than that, maybe consider an alternative filesystem like f2fs or xfs depending on the medium.