RE: optimal storage parameters for heavy inserts tables

  • From: "Lex de Haan" <lex.de.haan@xxxxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Mon, 29 Mar 2004 13:02:10 +0200

Hi Niall,

I agree -- it never hurts to use a prime number for any assignment algorithm
based on a modulo function. on the other hand, the difference between
choosing primes vs. non-primes only becomes apparent if the input numbers
(process IDs) show some pattern...

cheers,
Lex.

-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Niall Litchfield
Sent: maandag 29 maart 2004 11:45
To: oracle-l@xxxxxxxxxxxxx
Subject: RE: optimal storage parameters for heavy inserts tables


I believe that the logic would be that chosing a prime number for number of
freelists makes sense in that sessions should then be spread evenly across
the available freelists.

Niall Litchfield
Oracle DBA
Audit Commission
+44 117 975 7805



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