Re: PITR, checkpoint, and local relations - Mailing list pgsql-hackers

From Mikheev, Vadim
Subject Re: PITR, checkpoint, and local relations
Date
Msg-id 3705826352029646A3E91C53F7189E325185D5@sectorbase2.sectorbase.com
Whole thread Raw
In response to PITR, checkpoint, and local relations  ("J. R. Nield" <jrnield@usol.com>)
Responses Re: PITR, checkpoint, and local relations  ("J. R. Nield" <jrnield@usol.com>)
List pgsql-hackers
> > (In particular, I *strongly* object to using the buffer 
> manager at all
> > for reading files for backup.  That's pretty much 
> guaranteed to blow out
> > buffer cache.  Use plain OS-level file reads.  An OS 
> directory search
> > will do fine for finding what you need to read, too.)
> 
> How do you get atomic block copies otherwise?

You don't need it.
As long as whole block is saved in log on first after
checkpoint (you made before backup) change to block.

Vadim


pgsql-hackers by date:

Previous
From: "Mikheev, Vadim"
Date:
Subject: Re: PITR, checkpoint, and local relations
Next
From: "J. R. Nield"
Date:
Subject: Re: PITR, checkpoint, and local relations