Re: [PATCH] ext4: rralloc - (former rotalloc) improved round-robin allocation policy

From: Theodore Tso

Date: Thu Feb 26 2026 - 20:13:25 EST


On Thu, Feb 26, 2026 at 10:50:29PM +0100, Mario Lohajner wrote:
> The primary purpose of rralloc is to improve allocation distribution
> and avoid hotspotting. Performance improvements are not the goal here...

You haven't explained *why* allocation distribution and avoiding
hotspotting is something we should care about.

If it's not performance, then why? How does reducing hotspotting
improve things for the user? Why should we care about this goal that
apparently is so important to you?

- Ted