Re: Redo log size on a 4 node RAC cluster.

From: Powell, Mark <>
Date: Wed, 23 Aug 2017 14:35:44 +0000
Message-ID: <DF4PR84MB01242471E2710B745EA1C9F9CC850_at_DF4PR84MB0124.NAMPRD84.PROD.OUTLOOK.COM>

How frequently are your online redo logs switching? Can you post the log switch history for 24 hours. Just the time of the switch or maybe a summarized listing per hour.

Are your archived redo logs files mostly near 1.5G in size?

Mark Powell
Database Administration
(313) 592-5148

From: Zabair Ahmed <> Sent: Wednesday, August 23, 2017 10:06:59 AM To:
Cc: Powell, Mark; Subject: Re: Redo log size on a 4 node RAC cluster.

16 groups per thread.


On Wednesday, 23 August 2017, 15:03, Mladen Gogala <> wrote:

On Wed, 23 Aug 2017 13:49:48 +0000 (UTC)

"Zabair Ahmed" <<>> (Redacted sender "roon987" for DMARC) wrote:

> We have DG in place. With that in mind we have created16 groups. Not sure if this is too many??

16 groups in 4 different threds or 16 groups per thread? Regards

Mladen Gogala
Oracle DBA
Tel: (347) 321-1217

Received on Wed Aug 23 2017 - 16:35:44 CEST

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