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Placing Certain Files on DBFS Mount Point Can lead to Performance/Stability issues with DBFS Database (Doc ID 2025053.1)

Last updated on FEBRUARY 27, 2019

Applies to:

Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata 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
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Utilizing the DBFS File System in Exadata Environments for file operations such as the following below may result in unexpected performance / usability issues for the DBFS File system.

E.g.

- Placing RMAN Backup Images/Copies/Files
- Using DataPump / Export to Place files on DBFS
- Tracing for SQL*Net
- Tracing for RDBMS Tracing
- Listener Tracing

 

Operating System Messages log produces similar stack to the following -->

  

 

Cause

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