[ale] xfs vs. ext4

[Derek Atkins]

Solomon Peachy <pizza at shaftnet.org> writes:

> On Wed, Nov 05, 2014 at 10:19:47AM -0500, Chuck Payne wrote:
>> I have notices that both openSUSE and CentOS 7 have move away from ext4 as
>> the default filesystem to XFS, any reason why?
>> 
>> What does XFS give that ext4 doesn't?
>
> In short, it scales much, much better, especially with server loads, but 
> also with the increasingly multi-threaded desktop loads of modern 
> systems.
>
> It allows much (much!) larger filesystems than ext4 and you don't have 
> to wait a couple of hours to run disk consistency checks.

It also deals much better with large files than ext (e.g. on a DVR like
Mythtv).  I put XFS onto my newest Myth Backend and it's working very
well.

>  - Solomon

-derek

-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
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