Re: PITR, checkpoint, and local relations

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM>
Cc: richt(at)multera(dot)com, "J(dot) R(dot) Nield" <jrnield(at)usol(dot)com>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, PostgreSQL Hacker <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: PITR, checkpoint, and local relations
Date: 2002-08-03 00:44:27
Message-ID: 29442.1028335467@sss.pgh.pa.us
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"Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM> writes:
>> No, I don't think so. If you are using PITR then you presumably have
>> some process responsible for archiving off log files on a continuous
>> basis. The backup process should leave that normal
>> operational behavior in place, not muck with it.

> Well, PITR without log archiving could be alternative to
> pg_dump/pg_restore, but I agreed that it's not the big
> feature to worry about.

Seems like a pointless "feature" to me. A pg_dump dump serves just
as well to capture a snapshot --- in fact better, since it's likely
smaller, definitely more portable, amenable to selective restore, etc.

I think we should design the PITR dump to do a good job for PITR,
not a poor job of both PITR and pg_dump.

regards, tom lane

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