Oracle: Viewed from OS



Oracle: Viewed from OS

Abstract

This presentation gives an overview of Oracle instances from the OS perspective, specifically memory and process. Linux is used as the example OS, along with Solaris equivalence. It discusses shared memory, Linux HugePages, process tracing, call stacks, and combining with Oracle’s monitoring. The intent is to offer Oracle DBAs another angle of inspection in performance tuning and troubleshooting.

I. What does memory usage look like on an Oracle server?

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