RAC on Windows: Desktop Heap Best Practice
(Doc ID 2056225.1)
Last updated on DECEMBER 25, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Oracle Database Cloud Schema 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
Microsoft Windows x64 (64-bit)
The Grid Infrastructure on Windows will dynamically start a number of processes which will vary over time and activity level on the nodes of a cluster. Each of these processes requires some desktop heap and the default settings for this may be too low for a RAC cluster.
Oracle Support recommends that 2Mb of desktop heap be set aside on every node of all RAC on Windows Clusters.
To provide a recommendation (2Mb) for the desktop heap setting for all RAC on Windows environments.
Every node of all RAC on Windows clusters.
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