Re: page fault scalability (ext3, ext4, xfs)

From: Andi Kleen
Date: Wed Aug 14 2013 - 22:24:09 EST


> And FWIW, it's no secret that XFS has more per-operation overhead
> than ext4 through the write path when it comes to allocation, so
> it's no surprise that on a workload that is highly dependent on
> allocation overhead that ext4 is a bit faster....

This cannot explain a worse scaling curve though?

w-i-s is all about scaling.

-Andi
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