From: Tom Lane <tgl@sss.pgh.pa.us>
To: Poul Kristensen <bcc5226@gmail.com>
cc: pgsql-admin <pgsql-admin@postgresql.org>
Subject: Re: data_directory: remove from process view like ps
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Comments: In-reply-to Poul Kristensen <bcc5226@gmail.com>
	message dated "Mon, 03 Apr 2017 14:57:49 +0200"
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Date: Mon, 03 Apr 2017 09:52:52 -0400
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Poul Kristensen <bcc5226@gmail.com> writes:
> One off my Postgres installations  shows no data directory in the ps.
> I think it is a good thing, but can't see any difference in the
> postgresql.conf in the name data_directory in pg_settings when comparing to
> other Postgres installations.

Postgres itself wouldn't ever take any action to show (or hide) that
information in "ps" output.  I suppose that some of your postmasters
were started with an explicit -D switch on their command line and
some were not, and that that is the cause of the difference you're
seeing.

			regards, tom lane


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