Re: SIGSEGV from START_REPLICATION 0/XXXXXXX in XLogSendPhysical () at walsender.c:2762

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Stephen Frost <sfrost(at)snowman(dot)net>
Cc: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, michael(at)paquier(dot)xyz, andres(at)anarazel(dot)de, jkatz(at)postgresql(dot)org, davecramer(at)postgres(dot)rocks, masao(dot)fujii(at)oss(dot)nttdata(dot)com, masahiko(dot)sawada(at)2ndquadrant(dot)com, sitnikov(dot)vladimir(at)gmail(dot)com, pgsql-hackers(at)postgresql(dot)org, pg(at)bowt(dot)ie
Subject: Re: SIGSEGV from START_REPLICATION 0/XXXXXXX in XLogSendPhysical () at walsender.c:2762
Date: 2020-06-24 17:05:49
Message-ID: 20200624170549.GA24654@alvherre.pgsql
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On 2020-Jun-24, Stephen Frost wrote:

> Doesn't mean it makes sense or that we should be supporting that. What
> we should have is a way to allow administrators to configure a system
> for exactly what they want to allow, and it doesn't seem like we're
> doing that today and therefore we should fix it. This isn't the only
> area we have that issue in.

The way to do that, for the case under discussion, is to reject using a
logical replication connection for physical replication commands.

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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