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CPU Count/Core

jr-phDBAAug 31 2016 — edited Sep 4 2016

I'm quite confused how many CPU used by our Prod database.

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From AWR:
CPUs = 256
Cores = 32
Sockets = 2

Q1. Does it mean our physical server has 2 sockets and each socket has 16 cores and each core has 8 CPUs?

From OEM:
Core count = 8

Q2. Does it mean the database used 64 CPUs only(64/256)?

Checking CPU Parameter:

SYS@PROD> show parameter cpu

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
cpu_count integer 8
parallel_threads_per_cpu integer 2
resource_manager_cpu_allocation integer 256

Q3. Can someone interpret the parameter comparing to the AWR and OEM?

Thank you..
This post has been answered by jr-phDBA on Sep 4 2016
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Locked on Oct 2 2016
Added on Aug 31 2016
#general-database-discussions
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