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

From: <Jared.Still_at_radisys.com>
Date: Fri, 4 Jun 2004 15:18:30 -0700
Message-ID: <OF7C1A0196.FCEC4AE7-ON88256EA9.007A80C2-88256EA9.007A88B3@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 - 17:17:04 CDT