Higher 'direct path read' Waits in 11g when Compared to 10g
(Doc ID 793845.1)
Last updated on FEBRUARY 12, 2025
Applies to:
Oracle Database - Enterprise Edition - Version 11.1.0.6 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
- Intermittent but noticeable increase in 'direct path read' waits were observed in 11g or higher when compared to Oracle 10g.
For Example, Top 5 Events:
Typically these will be higher at times where many serial Full Table Scans of Tables occur - Using Automatic Shared Memory Management (ASMM)
- Database upgraded from 10g to 11g or higher
Changes
Database upgraded from 10g to 11g or higher.
Cause
To view full details, sign in with your My Oracle Support account. |
|
Don't have a My Oracle Support account? Click to get started! |
In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |