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Re: Redo log I/O problems

From: Ralph Ganszky <ralph.ganszky_at_sap-ag.de>
Date: Sun, 18 Jul 1999 12:59:22 +0200
Message-ID: <3791B38A.466EFFE1@sap-ag.de>


Hi Harry,

I have a question about Your C program: Have You opened the output file with the DSYNC option? What OS do You use?

Harry Brewster wrote:

> We have 3-500 meg redo logs on raw devices
> We are are still experiencing problems during heavy loading
> The Unix i/o stats show about 15 i/o per second
> We wrote a 'C' program to write to the disks and was able to achive
> 60,000 i/o
>
> Can anyone help
>
> Thanks

--
Best Regards,

Ralph Ganszky

Received on Sun Jul 18 1999 - 05:59:22 CDT

Original text of this message

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