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Re: WAL -> Replication

From: Curt Sampson <cjs(at)cynic(dot)net>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Mike Biamonte <mbiamonte(at)affinitysolutions(dot)com>,<pgsql-hackers(at)postgresql(dot)org>
Subject: Re: WAL -> Replication
Date: 2002-04-26 05:38:05
Message-ID: (view raw or whole thread)
Lists: pgsql-hackers
On Thu, 25 Apr 2002, Bruce Momjian wrote:

> WAL files are kept only until an fsync(), checkpoint, then reused.

One could keep them longer though, if one really wanted to.

> Also, the info is tied to direct locations in the file.  You could do
> this for hot backup, but it would require quite bit of coding to make it
> work.

That's kind of too bad, since log shipping is a very popular method of
backup and replication.

Not that I'm volunteering to fix this. :-)

Curt Sampson  <cjs(at)cynic(dot)net>   +81 90 7737 2974
    Don't you know, in this new Dark Age, we're all light.  --XTC

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