Re: Patent issues and 8.1

Hello all,

As I got the next digest of pg hackers, I see that Jean-Gerard Pailloncy
has already advocated this idea. In no means I meant to copy :) as I am
on the digest mode. However, I think it's a good path to go anyway as two
people at least came up with it. Please do not disregard this idea.

-s

On Wed, 26 Jan 2005, Serguei A. Mokhov wrote:

> Date: Wed, 26 Jan 2005 14:51:49 -0500 (EST)
> From: Serguei A. Mokhov <mokhov(at)cs(dot)concordia(dot)ca>
> To: pgsql-hackers(at)postgresql(dot)org
> Subject: Re: Patent issues and 8.1
>
> Hello all,
>
> With this "paten issue" on hand, can't we come up with a "pluggable" API
> and pluggable cache-replacement modules so that folks who care not for US
> patents can simply download and load in the "PgARC" module, and those who
> can't, just load the "NeilLRU", or a "BetterThanARCCacheReplacement"
> module that don't violate those pattents. If the modules all conform to
> the same pg-cache-replacement API, they could be swapped on the fly. I
> believe the API and the two modules: ARC of Jan and LRU of Neil, can be
> implemented for 8.0.1 and be less invasive than just ARC yanked out and
> replaced with LRU.
>
> I believe, PGDG does not need to concern itself with removing and all
> traces of ARC from CVS or otherwise; on the conrary, it still can ship the
> ARC module as an add-on to those who wish. This is possible because the
> project is NOT hosted in the US (if I am wrong correct me).
>
> This idea will also help the commercial vendros of PG to write up their
> own modules they think best, of if they can't, just always load in LRU in
> their commerical deployments of PG in the US.
>
>

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