This section describes the diagnostic components that are part of Oracle Autonomous Health Framework.

• Introduction to Oracle ORAchk and Oracle EXAchk
  Oracle ORAchk and Oracle EXAchk provide a lightweight and non-intrusive health check framework for the Oracle stack of software and hardware components.
• Introduction to Cluster Health Monitor
  Cluster Health Monitor is a component of Oracle Grid Infrastructure, which continuously monitors and stores Oracle Clusterware and operating system resources metrics.
• Introduction to Oracle Trace File Analyzer
  Oracle Trace File Analyzer is a utility for targeted diagnostic collection that simplifies diagnostic data collection for Oracle Clusterware, Oracle Grid Infrastructure, and Oracle Real Application Clusters (Oracle RAC) systems, in addition to single instance, non-clustered databases.
• Introduction to Oracle Cluster Health Advisor
  Oracle Cluster Health Advisor continuously monitors cluster nodes and Oracle RAC databases for performance and availability issue precursors to provide early warning of problems before they become critical.
• Introduction to Memory Guard
  Memory Guard is an Oracle Real Application Clusters (Oracle RAC) environment feature to monitor the cluster nodes to prevent node stress caused by the lack of memory.
• Introduction to Hang Manager
  Hang Manager is an Oracle Real Application Clusters (Oracle RAC) environment feature that autonomously resolves hangs and keeps the resources available.
• Introduction to Oracle Database Quality of Service (QoS) Management
  Oracle Database Quality of Service (QoS) Management manages the resources that are shared across applications.