> I am obtaining the following figures, on a cached fs: > seq-read: iops=12188 > rand-read: iops=7392 > seq-write: iops=430 > rand-write: iops=454 Just what numbers were you expecting to see? A decent 7200RPM drive can only muster 70 IOPs on a good day. The lies the SSD vendors print in their literature and on the side of the box are almost always done with a blocksize of 512 bytes. So if you're doing 4K operations, divide by 8 at least. -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
