Re: [RFC, PATCH] Avoid hot statistics cache line in ext4 extent cache

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On Wed, Apr 11, 2012 at 9:59 AM, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
>
> Ping. This scalability problem is still in 3.4-rc* and causes
> major slowdowns.

Do you have numbers?

> Can we please revert fix it or revert
> 556b27abf73833923d5cd4be80006292e1b31662 before release.

That commit ID doesn't make any sense, and doesn't seem to have
anything to do with any statistics counters that your email talks
about. So regardless, you'd need to explain why that commit causes the
problems you talk about, I'm not going to revert a random commit that
doesn't even look what you describe.

Ted?

                Linus
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