17.10 - MaximumGLOPMem - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - Database Utilities

Advanced SQL Engine
Teradata Database
Release Number
Release Date
July 2021
Content Type
Publication ID
English (United States)

Specifies the maximum amount of memory, in pages, an AMP or PE can use to store global and persistent (GLOP) data mappings. A page of memory is 4096 bytes.

GLOP data is a type of data available to external routines. The persistence in memory of GLOP data is based on specific boundaries, such as a user role or user account.

This value should be changed only under the direction of Teradata Support Center personnel.

Valid Range

0 through 16777216 pages (64 GB)

System memory availability, system disk availability, and system performance considerations can substantially reduce the upper limit.


2560 pages

Usage Notes

This value must be larger than the value of MaximumGLOPSize.

Related Information

For more information on global and persistent data, see Teradata Vantage™ - SQL External Routine Programming, B035-1147.