Over Consumption of CPU ?

From: VIVEK_SHARMA <VIVEK_SHARMA_at_infosys.com>
Date: Tue, 15 Oct 2002 05:03:24 -0800
Message-ID: <F001.004E8FF7.20021015050324@fatcity.com>

On Moving the Storage Box from a SF6800 machine to SF15000 machine CPU Consumption has Shot by 25 %

Particulars :-
Number of CPUs on SF6800 = 24 with 750 MHz Clock Speed Number of CPUs on SF15000 = 24 with 900 MHz Clock Speed

Both %usr & %sys CPU Utilization components seem to have gone up

Solaris 8
Oracle 8.1.7.2 (+ Some Stand-Alone 1 Off patches) Database Size 500 GB
Nature of Application Database = Hybrid (Banking application) Number of Concurrent User processes = 2500

Qs How may the Following problem be approached towards resolution ? Qs Is using truss Command to identify the Cause a Good approach ? Qs Are there any parameters / Switches which may given with the truss Command to get the % CPU consumed by the underlying system Calls ? Qs Are there any preferred parameters Specific to SF15000 ?

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Author: VIVEK_SHARMA
  INET: VIVEK_SHARMA_at_infosys.com

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