Re: Asynchronous and "direct" IO support for PostgreSQL. - Mailing list pgsql-hackers

From Thomas Munro
Subject Re: Asynchronous and "direct" IO support for PostgreSQL.
Date
Msg-id CA+hUKGKDwV3pQyVuAPMFWFavR2yoyxwagDFDK+TdhFGvfEmM8Q@mail.gmail.com
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In response to Re: Asynchronous and "direct" IO support for PostgreSQL.  (Andres Freund <andres@anarazel.de>)
List pgsql-hackers
On Wed, Sep 1, 2021 at 5:57 PM Andres Freund <andres@anarazel.de> wrote:
> - lots of progress on posix AIO backend (Thomas)

A quick note on this piece:  Though it's still a work in progress with
a few things that need to be improved, I've tested this on a whole lot
of different OSes now.  I originally tried to use realtime signals
(big mistake), but after a couple of reworks I think it's starting to
look plausible and quite portable.  Of the ~10 or so OSes we support
and test in the build farm, ~8 of them have this API, and of those I
have only one unknown: HPUX (I have no access and I am beginning to
suspect it is an ex-parrot), and one mysteriously-doesn't-work: NetBSD
(I'd be grateful for any clues from NetBSD gurus and happy to provide
build/test instructions if anyone would like to take a look).



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