FILE SIZING

From: Harvinder Singh <Harvinder.Singh_at_MetraTech.com>
Date: Fri, 07 Dec 2001 08:26:57 -0800
Message-ID: <F001.003D7702.20011207065520@fatcity.com>

Hi,

We never worked on large databases but we have to test our application for scability and performance test.
It will be great if DBA handling large databases give some input on following :
Environment is 9i on SUN 2.8. Database size will be about 375G.

In our testing environment log file switch is occuring every 2 minutes. The size of log files is 100M . What shold be the size of log files in Performance testing --- 500M or 1G . Is there any drawback in using large size of log files. For performance testing we will be running in noarchive log mode.
Two of our table sizes is 175G and 160G. We are partitioning both the tables into 10 partitions. What should be the ideal datafile size and initial extent size. Is there any drawbacks in using big datafiles. We always used about 2G file size for small databases.
We will be using locally manages tablespaces . which option is better for large database Uniform size or Autoallocate.

Thanks
--Harvinder
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--

Author: Harvinder Singh
INET: Harvinder.Singh_at_MetraTech.com

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