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.
Default
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.