Horton

Re: PITR, checkpoint, and local relations

Richard Tucker <richt@multera.com>

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From: Richard Tucker <richt@multera.com>
To: "Mikheev, Vadim" <vmikheev@SECTORBASE.COM>, "'Tom Lane'" <tgl@sss.pgh.pa.us>, "J. R. Nield" <jrnield@usol.com>
Cc: Bruce Momjian <pgman@candle.pha.pa.us>, PostgreSQL Hacker <pgsql-hackers@postgresql.org>
Date: 2002-08-07T15:32:01Z
Lists: pgsql-hackers 

> -----Original Message-----
> From: Mikheev, Vadim [mailto:vmikheev@SECTORBASE.COM]
> Sent: Friday, August 02, 2002 6:01 PM
> To: 'Tom Lane'; J. R. Nield
> Cc: Richard Tucker; Bruce Momjian; PostgreSQL Hacker
> Subject: RE: [HACKERS] PITR, checkpoint, and local relations
>
>
> > > How do you get atomic block copies otherwise?
> >
> > Eh?  The kernel does that for you, as long as you're reading the
> > same-size blocks that the backends are writing, no?
>
> Good point.
>
We know for sure the kernel does this?  I think this is a dubious
assumption.
> Vadim
>