Master Note: Overview of Unix Resources
(Doc ID 1498952.1)
Last updated on MARCH 12, 2021
Oracle Database - Enterprise Edition - Version 10.2.0.1 and later Oracle Database Exadata Cloud Machine - Version N/A and later Oracle Cloud Infrastructure - Database Service - Version N/A and later Oracle Database Exadata Express Cloud Service - Version N/A and later Oracle Database Cloud Exadata Service - Version N/A and later Information in this document applies to any platform.
This note provides information about administering Oracle Database on UNIX-based operating systems. You must set Oracle Database environment variables, parameters, and user settings for Oracle Database to work.
Database performance is bounded by the system resources. Sometimes, poor database performance can be caused by faulty configuration of the instance and database. Sometimes, it can be caused by abnormal resource consumption by an Oracle transaction, user, or process. Memory, CPU, and I/O are the three most common resources consumed by Oracle. We will discuss these resources, and list some of the commonly used tools that monitor them.
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