Higher 'direct path read' Waits in 11g when Compared to 10g
(Doc ID 793845.1)
Last updated on FEBRUARY 14, 2019
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Oracle 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.
- 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
Database upgraded from 10g to 11g or higher.
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