Path: news.easynews.com!newsfeed1.easynews.com!easynews.com!easynews!sn-xit-02!sn-xit-06!sn-post-01!supernews.com!corp.supernews.com!not-for-mail From: Sybrand Bakker Newsgroups: comp.databases.oracle.server Subject: Re: 9i under NT and Linux Date: Sun, 02 Feb 2003 13:24:55 +0100 Organization: Posted via Supernews, http://www.supernews.com Message-ID: <7d3q3vcps4prp07kjodigk8ileqbsk2bnv@4ax.com> Reply-To: postbus@sybrandb.demon.nl References: X-Newsreader: Forte Agent 1.92/32.572 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@supernews.com Lines: 17 Xref: newsfeed1.easynews.com comp.databases.oracle.server:174507 X-Received-Date: Sun, 02 Feb 2003 05:24:00 MST (news.easynews.com) On Sun, 2 Feb 2003 12:18:27 +0100, "Jean" wrote: >I noticed a lot of IO on the redolog. Something like a several, intensive >smalls IO on these files. Does it writes only byte per IO ? Why not less >but, largest, cached IO on the redo log ? > > Ever heard of the redo log buffer? IO on the redo log has *always* been cached and NEVER only one byte per IO. You must have an extreemly bad or untuned database. Sybrand Bakker, Senior Oracle DBA To reply remove -verwijderdit from my e-mail address