RE: Shared Memory: How to use SYSV rather than MMAP ?

From: "REIX, Tony" <tony(dot)reix(at)atos(dot)net>
To: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, "EMPEREUR-MOT, SYLVIE" <sylvie(dot)empereur-mot(at)atos(dot)net>
Subject: RE: Shared Memory: How to use SYSV rather than MMAP ?
Date: 2019-09-27 07:29:27
Message-ID: DB7PR02MB46635B82C096452F9EF2717C86810@DB7PR02MB4663.eurprd02.prod.outlook.com
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Hello Thomas, Alvaro,

Sorry for the late answer, I missed your message of September 10. (I'm working on several different projects in parallel.)
Let me talk with Sylvie ASAP and see when I will be able to test it, probably next week, Tuesday. Is that OK for you?

Regards,

Tony
________________________________
De : Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
Envoyé : jeudi 26 septembre 2019 21:22
À : Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
Cc : REIX, Tony <tony(dot)reix(at)atos(dot)net>; Andres Freund <andres(at)anarazel(dot)de>; Robert Haas <robertmhaas(at)gmail(dot)com>; Pg Hackers <pgsql-hackers(at)postgresql(dot)org>; EMPEREUR-MOT, SYLVIE <sylvie(dot)empereur-mot(at)atos(dot)net>
Objet : Re: Shared Memory: How to use SYSV rather than MMAP ?

On 2019-Sep-10, Thomas Munro wrote:

> Here's a quick rebase. It needs testing, review and (probably)
> adjustment from AIX users. I'm not going to be able to do anything
> with it on my own due to lack of access, though I'm happy to help get
> this committed eventually. If we don't get any traction in this CF,
> I'll withdraw this submission for now. For consistency, I think we
> should eventually also do the same thing for Linux when using sysv
> (it's pretty similar, it just uses different flag names; it may also
> be necessary to query the page size and round up the requested size,
> on one or both of those OSes; I'm not sure).

Tony, Sylvie, any chance for some testing on this patch? It seems that
without that, this patch is going to waste.

If I don't hear from anyone on September 30, I'm going to close this as
Returned with Feedback.

--
Álvaro Herrera https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.2ndQuadrant.com%2F&amp;data=02%7C01%7Ctony.reix%40atos.net%7C9f484c05852d40cda8cb08d742b6ea15%7C33440fc6b7c7412cbb730e70b0198d5a%7C0%7C0%7C637051225687793704&amp;sdata=bFOxofqr6Rbig8A2pPaz7ZhuGr5GOtJPntuCEQnEdww%3D&amp;reserved=0
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