From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: pgbf@twiska.com, Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Cc: masao.fujii@oss.nttdata.com
Cc: pgsql-hackers@lists.postgresql.org
Subject: Re: min_safe_lsn column in pg_replication_slots view
Date: Wed, 08 Jul 2020 19:24:50 -0400
Message-ID: <1738875.1594250690@sss.pgh.pa.us> (raw)
In-Reply-To: <20200708230757.GA28114@alvherre.pgsql>
References: <20200708230757.GA28114@alvherre.pgsql>
Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> On 2020-Jul-08, Tom Lane wrote:
>> The buildfarm's sparc64 members seem unhappy with this.
> Hmm. Some of them are, yeah, but it's not universal. For example
> mussurana and ibisbill are not showing failures.
Ah, right, I was thinking they hadn't run since this commit, but they
have.
> Anyway the error is pretty strange: only GetWALAvailability is showing a
> problem, but the size calculation in the view function def is returning
> a negative number, as expected.
We've previously noted what seem to be compiler optimization bugs on
both sparc32 and sparc64; the latest thread about that is
https://www.postgresql.org/message-id/flat/f28f842d-e82b-4e30-a81a-2a1f9fa4a8e1%40www.fastmail.com
This is looking uncomfortably like the same thing. Tom, could you
experiment with different -O levels on those animals?
regards, tom lane
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To: pgsql-hackers@postgresql.org
Cc: tgl@sss.pgh.pa.us, alvherre@2ndquadrant.com, horikyota.ntt@gmail.com, masao.fujii@oss.nttdata.com, pgsql-hackers@lists.postgresql.org
Subject: Re: min_safe_lsn column in pg_replication_slots view
In-Reply-To: <1738875.1594250690@sss.pgh.pa.us>
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