RFC: Primary architecture promotion requirements

[Zach Brown]

On 03/21/2012 10:58 AM, Dave Jones wrote:
> On Wed, Mar 21, 2012 at 01:27:04PM +0000, Peter Robinson wrote:
>   >  All sorts of things can speed it up, most of the Fedora builders are
>   >  currently loopback ext4 over NFS over 100Mb ethernet over USB. Not
>   >  optimal.
>
> Just switching them to ext2 would save a ton of IO.

You could also turn off the journal in ext4.  That'd lose the journal IO
and stalls waiting for it and you'd still get the block mapping IO
savings of delalloc and extents.

- z