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Primary Note: Overview of Database Checkpoints (Doc ID 1490838.1)

Last updated on AUGUST 23, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


To have a overview of Checkpoint process, its parameters, performance and tuning.


This document applies to Checkpointing concepts in a non-RAC environment.


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In this Document
 Purpose of Checkpoints
 When does a checkpoint happen
 Types of Checkpoints 
 Thread checkpoints
 Tablespace and data file checkpoints
 Incremental checkpoints
 Checkpoint Parameters
 Automatic Checkpointing
 Checkpoint Messages
 Incremental checkpoint up to RBA (Redo Block Address)
 Checkpoint Not Complete 
 Checkpoint related Wait Events
 Checkpoint Completed
 Log File Switch (checkpoint incomplete)
 Checkpoints and Instance Recovery
 Checkpoint Performance
 Additional Resources
 Known Issues and Resolutions

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