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PITR archive_timeout Command

From: Gnanam <gnanam(at)zoniac(dot)com>
To: pgsql-admin(at)postgresql(dot)org
Subject: PITR archive_timeout Command
Date: 2009-08-03 10:50:02
Message-ID: (view raw or whole thread)
Lists: pgsql-admin

I have a basic and quick question related to "archive_timeout" command in

I've set "archive_timeout" to 1800 seconds (30 minutes) in
"postgresql.conf", which means WAL archives are generated every 30 minutes. 
So, if for an example my WAL archives are  generated at the following time:
	9:00 am
	9:30 am
	10:00 am
	10:30 am
	11:00 am, etc.

I specify PITR recovery time at 10:15 am in "recovery.conf".  My question
is, to what time my database is recovered back?  At which stage of the
following my database is reverted back:
	1) Exactly the database was at 10:15 am 
	2) Exactly the database was at 10:00 am, because the last WAL archive
before 10:15 am was at 10:00 am.

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Next:From: Ian LeaDate: 2009-08-03 11:17:12
Subject: Re: PITR archive_timeout Command
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