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CPU thread

CPUs: Cores versus Threads on an Oracle Server

When doing a performance review I often do talk with the DBA about the CPU utilization of the server. How reliable is the server CPU utilization with tools like top or the host CPU utilization in the AWR-report? E.g. on an Linux Intel x86-64 server with 8 Cores and 16 logical CPUs (Intel Hyperthreading), what does a utilization of 50%… 

DataBase Cloud Service performance – CPU

By Franck Pachot . In the previous blog post I’ve measured the physical i/o performance, with SLOB. We can run the same with a small size of data and a large buffer cache in order to measure logical reads (LIOs) and CPU performance. What is an OCPU? Except if you are licensed in NUP, you are already used to pay…