To control the extension size of a memory mapped file for holding temporary results, set the following value:

 

MAPFILEINCREMENTSIZE = 2000000

 

Default = 16000000

 

Environment: Client, Windows, Unix

Configuration Manager: CONNX Settings; Current Key = CONNX; Key Value/Value Name =  MapFileIncrementSize

Unix Registry Setting: CONNX..MAPFILEINCREMENTSIZE