Re: Stupid question about WAL archiving

From: Erik Jones <erik(at)myemma(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Glyn Astill <glynastill(at)yahoo(dot)co(dot)uk>, pgsql-general(at)postgresql(dot)org
Subject: Re: Stupid question about WAL archiving
Date: 2008-01-18 20:51:32
Message-ID: C967B0EA-6532-4E37-897D-3E1E430ACDD3@myemma.com
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On Jan 18, 2008, at 2:34 PM, Tom Lane wrote:

> Glyn Astill <glynastill(at)yahoo(dot)co(dot)uk> writes:
>> I'll set up a cron job to remove them for now, however I'll have a
>> look at pg_standby
>
> Keep in mind that if you delete a log segment that's not yet been sent
> to the standby, you've hosed the standby --- you'll have to take a
> fresh
> base backup and reload the standby with it. This is probably okay for
> disaster recovery, but you don't want your script creating the
> disaster
> all by itself.

Which is exactly why I pointed out that using pg_standby's -k switch
was the more reliable option.

Erik Jones

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erik(at)myemma(dot)com
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