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From: Simon Riggs <simon@2ndQuadrant.com>
To: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: Dimitri Fontaine <dfontaine@hi-media.com>
Cc: Fujii Masao <masao.fujii@gmail.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: Re: [COMMITTERS] pgsql: Make standby server continuously retry 	restoring the next WAL
Date: Thu, 11 Feb 2010 14:38:40 +0000
Message-ID: <1265899120.7341.1781.camel@ebony> (raw)
In-Reply-To: <4B7412BE.5030605@enterprisedb.com>
References: <20100127152751.3B2047541B9@cvs.postgresql.org>
	<3f0b79eb1002092105r21e009d3v468496058ba04392@mail.gmail.com>
	<4B726120.80007@enterprisedb.com>
	<1265884657.7341.1192.camel@ebony>
	<4B73F678.8070109@enterprisedb.com>
	<1265891248.7341.1346.camel@ebony>
	<4B73FB99.4080403@enterprisedb.com>
	<1265893599.7341.1454.camel@ebony>
	<877hqjc2kk.fsf@hi-media-techno.com>
	<1265896250.7341.1627.camel@ebony>
	<4B740C6C.3010607@enterprisedb.com>
	<1265897834.7341.1714.camel@ebony>
	<4B7412BE.5030605@enterprisedb.com>

On Thu, 2010-02-11 at 16:22 +0200, Heikki Linnakangas wrote:
> Simon Riggs wrote:
> > Might it not be simpler to add a parameter onto pg_standby?
> > We send %s to tell pg_standby the standby_mode of the server which is
> > calling it so it can decide how to act in each case.
> 
> That would work too, but it doesn't seem any simpler to me. On the contrary.

It would mean that pg_standby would act appropriately according to the
setting of standby_mode. So you wouldn't need multiple examples of use,
it would all just work whatever the setting of standby_mode. Nice simple
entry in the docs.

We've said we need a script and pg_standby is it. Having a second
script, pg_standby2, rather than adding something to the existing tools
just seems confusing and easier to get wrong.

I'm happy to do the patch if you like.

-- 
 Simon Riggs           www.2ndQuadrant.com




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