Re: Is it possible to implement the per-node page cache for programs/libraries?

From: Matthew Wilcox
Date: Thu Sep 02 2021 - 06:19:08 EST


On Thu, Sep 02, 2021 at 01:25:36PM +1000, Nicholas Piggin wrote:
> > I have been thinking about this a bit; one of our internal performance
> > teams flagged the potential performance win to me a few months ago.
> > I don't have a concrete design for text replication yet; there have been
> > various attempts over the years, but none were particularly compelling.
>
> What was not compelling about it?

It wasn't merged, so clearly it wasn't compelling enough?

> https://lists.openwall.net/linux-kernel/2007/07/27/112
>
> What are the other attempts?

I found one from Dave Hansen in 2003:

https://lwn.net/Articles/45082/

I think somebody else may have posted a different one, but I don't
remember now.