| From: | Noah Misch <noah(at)leadboat(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Peter Smith <smithpb2250(at)gmail(dot)com>, vignesh C <vignesh21(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Melanie Plageman <melanieplageman(at)gmail(dot)com> |
| Subject: | Re: Relation bulk write facility |
| Date: | 2024-02-28 03:52:59 |
| Message-ID: | 20240228035259.50@rfd.leadboat.com |
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| Lists: | pgsql-hackers |
On Wed, Feb 28, 2024 at 12:24:01AM +0400, Heikki Linnakangas wrote:
> Here's a patch to fully remove AIX support.
> Subject: [PATCH 1/1] Remove AIX support
>
> There isn't a lot of user demand for AIX support, no one has stepped
> up to the plate to properly maintain it, so it's best to remove it
Regardless of how someone were to step up to maintain it, we'd be telling them
such contributions have negative value and must stop. We're expelling AIX due
to low demand, compiler bugs, its ABI, and its shlib symbol export needs.
> altogether. AIX is still supported for stable versions.
>
> The acute issue that triggered this decision was that after commit
> 8af2565248, the AIX buildfarm members have been hitting this
> assertion:
>
> TRAP: failed Assert("(uintptr_t) buffer == TYPEALIGN(PG_IO_ALIGN_SIZE, buffer)"), File: "md.c", Line: 472, PID: 2949728
>
> Apperently the "pg_attribute_aligned(a)" attribute doesn't work on AIX
> (linker?) for values larger than PG_IO_ALIGN_SIZE.
No; see https://postgr.es/m/20240225194322.a5%40rfd.leadboat.com
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