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Flash cache can't be 100% fully utilized (Doc ID 1490043.1)

Last updated on FEBRUARY 10, 2022

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


Flash cache is configured, but not 100% used. Only 1% of the configured flash cache size can be used.

Following settings are configured to make use of 4GB flash cache


However, below SQL output indicates that only 22338 flash blocks are used (32KB for every block, so around 700MB in total).






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