Re: Can't restart postmaster! - Mailing list pgsql-general

From Bruce Momjian
Subject Re: Can't restart postmaster!
Date
Msg-id 200106011852.f51Iqcv05849@candle.pha.pa.us
Whole thread Raw
In response to Can't restart postmaster!  (Steve Wampler <swampler@noao.edu>)
List pgsql-general
> > Am I correct that with no UNDO in 7.1.X, we should only be keeping one
> > WAL file around, or maybe two?
>
> Not necessarily.  How much do you do between checkpoints?
>
> But yeah, there's no reason to save data further back than one or maybe
> two checkpoints, as long as UNDO isn't there.

I am thinking of long transactions that keep extra WAL files around.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

pgsql-general by date:

Previous
From: Tom Lane
Date:
Subject: Re: Databases compared at zend.com
Next
From: Tom Lane
Date:
Subject: Re: Can't restart postmaster!