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OpenVMS: How Background Process Quotas are Set for Oracle RDBMS (Doc ID 67033.1)

Last updated on APRIL 14, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 7.3.3 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
HP OpenVMS Itanium
HP OpenVMS Alpha


The purpose of this article is to clarify how the OpenVMS resource quotas are set for the Oracle RDBMS background processes such as PMON and LGWR, Shared Server, and Dispatchers.

Please note that our recommended method for setting suitable process quotas for Oracle systems on OpenVMS is covered in the following article :

<Note:156484.1> VMS: System Tuning Recommendations for RDBMS Installations


This article is for analysts and Oracle users who want to understand how an Oracle background process acquires it's quotas for VMS resources such as BYTLM, PGFLQUOTA, and ENQLM. Resource, as defined in this article, refers to a VMS resource such as PGFLQUOTA, FILLM, or BYTLM.


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