CPU COSTING

  • From: Wolfson Larry - lwolfs <lawrence.wolfson@xxxxxxxxxx>
  • To: "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 21 Apr 2004 22:47:40 -0500

        Any reason not to do CPU COSTING as described by Jonathan Lewis?

"You can enable cpu_costing simply by collecting system_statistics for an
appropriate period of time with the dbms_stats package. This records in the
table sys.aux_stats$ values for:

assumed CPU speed in MHz
single block read time in milliseconds
multiblock read time in milliseconds
typical achieved multiblock read."

        Full article @ http://www.jlcomp.demon.co.uk/faq/cost_9.html


        Thanks


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