RE: What can cause a rapid frequency of log switches?

From: Jacques Kilchoer <Jacques.Kilchoer_at_quest.com>
Date: Fri, 4 Jun 2004 15:24:06 -0700
Message-ID: <B5C5F99D765BB744B54FFDF35F60262109F878BA@irvmbxw02>

Not my database though and I'm not at the site. I'm telling my friend "it has to be database activity, there is no other reason."

Jared.Still_at_radisys.com

oracle-l-bounce_at_freelists.org wrote on 06/04/2004 01:38:23 PM:

> Oracle 9.2.0.4 / AIX 5.1
>
> I'm looking at an issue with redo log switches.
> As far as I know, a log switch will only happen
> A) if the log is full
> B) if someone enters an "alter system switch logfile"
> C) if archive_log_target is set
>
> I've been asked why there would be a log switch in less than a minute
> (the redo logs are all 400 MB in size). The only answer I could think
of
> is that there is a lot of activity in the database. Is there some
> possibility I'm overlooking?
>

Well, you could speculate, or you could use log miner and see what's going on.

Jared

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Received on Fri Jun 04 2004 - 17:21:07 CDT