From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
---|---|
To: | Amit kapila <amit(dot)kapila(at)huawei(dot)com> |
Cc: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Boszormenyi Zoltan <zb(at)cybertec(dot)at>, Magnus Hagander <magnus(at)hagander(dot)net>, Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Josh Berkus <josh(at)agliodbs(dot)com> |
Subject: | Re: ALTER SYSTEM SET command to change postgresql.conf parameters (RE: Proposal for Allow postgresql.conf values to be changed via SQL [review]) |
Date: | 2013-07-17 19:01:14 |
Message-ID: | 20130717190114.GH4165@eldon.alvh.no-ip.org |
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Lists: | pgsql-hackers |
Amit kapila escribió:
> > +# This includes the default configuration directory included to support
> > +# ALTER SYSTEM statement.
> > +#
> > +# WARNING: User should not remove below include_dir or directory config,
> > +# as both are required to make ALTER SYSTEM command work.
> > +# Any configuration parameter values specified after this line
> > +# will override the values set by ALTER SYSTEM statement.
> > +#include_dir = 'config'
>
> > Why do we need to expose this setting to a user?
>
> a) This can be a knob to turn this feature off. This has been asked by few people,
> one of the mail link is mentioned below (refer towards end of mail in the link):
> http://www.postgresql.org/message-id/515B04F9.30900@gmx.net
>
> b) In case user wants to change priority of parameters set by Alter System, he can move the
> include_dir up or down in postgresql.conf.
Both of these seem like they would make troubleshooters' lives more
difficult. I think we should just parse the auto file automatically
after parsing postgresql.conf, without requiring the include directive
to be there.
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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