In what situations do you use -U of initdb?

From: "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com>
To: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: In what situations do you use -U of initdb?
Date: 2013-05-13 04:20:53
Message-ID: 0A3221C70F24FB45833433255569204D08C1E222@G01JPEXMBYT03
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Hello,

Currently, we are developing some tool for PostgreSQL. To determine the functional specification, I would like to ask PostgreSQL users about the necessity of support for the -U option of initdb.

In what situations do you use -U option of initdb? Is it essential for what reason?

I'm not sure whether there are any situations where the DBAs need to use different username/password pairs for the OS user who starts/stops the database server, and the database superuser.

Regards
Takayuki Tsunakawa

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