Re: Some thoughts on NFS

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Magnus Hagander <magnus(at)hagander(dot)net>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Craig Ringer <craig(dot)ringer(at)2ndquadrant(dot)com>
Subject: Re: Some thoughts on NFS
Date: 2019-02-19 18:58:22
Message-ID: CA+TgmoaMyuy88+0_s1guwKjtMPEZB66akLhKAcndo06zTKsvzQ@mail.gmail.com
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On Tue, Feb 19, 2019 at 1:56 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> My point is that for iSCSC to be performant we'd need *all* the
> infrastructure we also need for direct IO *and* a *lot* more. And that
> it seems insane to invest very substantial resources into developing our
> own iSCSI client when we don't even have DIO support. And DIO support
> would allow us to address the error reporting issues, while also
> drastically improving performance in a lot of situations. And we'd not
> have to essentially develop our own filesystem etc.

OK, got it. So, I'll merge the patch for direct I/O support tomorrow,
and then the iSCSI patch can go in on Thursday. OK? :-)

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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