Re: PGDATA / data_directory

From: Christoph Berg <myon(at)debian(dot)org>
To: Jehan-Guillaume de Rorthais <ioguix(at)free(dot)fr>
Cc: Benoit Lobréau <blo(dot)capdata(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: PGDATA / data_directory
Date: 2016-09-07 14:45:25
Message-ID: 20160907144525.honxa5pvncwesa6i@msg.df7cb.de
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Re: Jehan-Guillaume de Rorthais 2016-09-07 <20160907140816(dot)3e13eaa3(at)firost>
> Indeed. I never noticed data_directory was set in postgresql.conf file...
>
> But then, why starting PostgreSQL with the following command ?
>
> /usr/lib/postgresql/9.4/bin/postgres -D /var/lib/postgresql/9.4/main \
> -c config_file=/etc/postgresql/9.4/main/postgresql.conf
>
> It seems the following one work as expected and seems more logical with this
> setup:
>
> /usr/lib/postgresql/9.4/bin/postgres -D /etc/postgresql/9.4/main/

TBH, I've been wondering about that myself, but never bothered to to
anything about it. Digging in the (now git) history, it's been like
that from the very beginning in 2005:

https://anonscm.debian.org/cgit/pkg-postgresql/postgresql-common.git/commit/?id=9fa563e78366db3b27d680607c202b6fbb00bef2

It got touched a bit when 8.0 support was added, but basically not
changed since then.

https://anonscm.debian.org/cgit/pkg-postgresql/postgresql-common.git/commit/?id=fecbaad06c3683452228d31c0baffb01ba626a9a

I'll see if I can simply remove it. Thanks for the suggestion.

Christoph

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