Well, you'd want your database block size to be an integer multiple of
your file system block size, to minimize I/O, because Oracle reads and
writes in blocks, if there is any overlap that means you are using an
file system level I/O for a partial block. I remember hearing that
Oracle were recommending a block size of 8k for almost everything now.
It used to be that one would select a block size of 2k or 4k for OLTP
and 8 or 16k for DSS.
g.
-----Original Message-----
Sent: 19 June 2001 08:06
To: Multiple recipients of list ORACLE-L
Dear All,
Is there a recommended approach on how to decide on the db_block_size
for
your database? I am looking to create a database that during the day
will
be used for light OLTP, but during the day and night will have heavish
batch
jobs. Therefore I was intent on using 8k or 16k blocks. Most likely 8k
blocks. But is there an approach to actually chosing the correct
db_block_size?
Cheers for any help in advance.
Justin
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Author: Guy Hammond
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