Re: Question about CheckPoints

From: Sybrand Bakker <postbus_at_sybrandb.demon.nl>
Date: Sat, 18 Jan 2003 00:43:49 +0100
Message-ID: <v2h6qmj8pma098@corp.supernews.com>

"los" <los123_at_yahoo.com> wrote in message news:_CYV9.16297$Qr4.1519210_at_newsread1.prod.itd.earthlink.net...
> I've read that "The Checkpoint process updates the headers of data files,
> and then the DBWn process writes the actual blocks to the file"
>
> Does this mean checkpoint updates the headers of files in the cache, or
> on the actual disk?
>
>

It does perform an ordinary O/S write, which of course may be a buffered or write behind IO.

Hth

--
Sybrand Bakker
Senior Oracle DBA

to reply remove '-verwijderdit' from my e-mail address

Received on Fri Jan 17 2003 - 17:43:49 CST