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Re: Frequent log switches during sqlldr batch jobs

From: Thorsten Jens <usenet_at_thodi.de>
Date: Fri, 4 Feb 2005 19:14:58 +0100
Message-ID: <slrnd07et2.4o9.usenet@thodi.de>


On 2005-02-04, Connor McDonald <connor_mcdonald_at_yahoo.com> wrote:
> thojens_at_gmx.de wrote:
>>
>> we are running 9.2.0.6 on Solaris. Each night, a bunch of sqlldr batch
>> jobs are run and the redo log switches per hour increase dramatically:
>> 100 and more per hour, while during normal production hours we're at a
>> maximum of about 25 (usually much lower).
>
> make your redo logs massive (ie large enough to handle the sqlldr spike)
> and then set 'archive_lag_target' to control the switching during the
> day

That may well be the easiest solution so far :-) Thank you.

Thorsten

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Received on Fri Feb 04 2005 - 12:14:58 CST

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