ZFS vs EXT4 vs XFS

[Dan Miller]

> The bottleneck will be, IMO, I/O.  Disk data will go though that no
> matter if you have hardware or software raid.
> 

The bottle neck has and always will be I/O. I doubt the day will ever
come that a fetch out to the disk will take the same time as a fetch out
to memory.

Some of the latest flash drives make it faster, but still no where near
the time it takes to go out to memory.

Dan