| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Steve Wampler <swampler(at)noao(dot)edu>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Can't restart postmaster! |
| Date: | 2001-06-01 18:52:38 |
| Message-ID: | 200106011852.f51Iqcv05849@candle.pha.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | 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(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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