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

From: Nicholas Piggin
Date: Fri Sep 03 2021 - 03:10:41 EST


Excerpts from Matthew Wilcox's message of September 2, 2021 8:17 pm:
> 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?

Ha ha. It sounded like you had some reasons you didn't find it
particularly compelling :P

>
>> 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/
>

Huh interesting. I'd be surprised if I didn't see it go by at the time.

Thanks,
Nick