1) 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.
1 gig should work fine. You may want to set log_checkpoint_timeout to a
a value to force a checkpoint every 20-30 minutes during periods of
inactivity.
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2) 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.
128 Meg extents would work nicely. That's only about 150 extents per
partition.
----------
3) We will be using locally manages tablespaces . which option is better
for large database Uniform size or Autoallocate.
Personally I prefer uniform size. no chance of fragmentation, which can
be an issue with large extents.
Jared
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