Slot Pool Usage Information

Document ID : KB000054603
Last Modified Date : 14/02/2018
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The following is a summary of the main uses of each slot pool, ABOVE and BELOW the 16Mb line:

NOTE: To make the most efficient use of storage, your slot pool sizes should match these values exactly.

BELOW THE LINE:

 Size (Bytes)Use
TPX version 5.4TPX version 5.3
SLOT 188NO SET STRUCTURES
SLOT 21616VSAM I/O USAGE
SLOT 33232VSAM I/O USAGE
SLOT 46464BIND IMAGES
SESSION DATA STRUCTURES
SLOT 5128128NETSPY MESSAGE BUFFERS
SLOT 6256256VSAM I/O USAGE
SLOT 7512512NO SET STRUCTURES
SLOT 810241024SOFTCOPY (/P) DATA
SLOT 920482048SOFTCOPY (/P) DATA
SLOT 1040964096MISCELLANEOUS BUFFERS
VSAM
SLOT 1181928192MISCELLANEOUS BUFFERS
VSAM
SLOT 121024010240MISCELLANEOUS BUFFERS
VSAM

 

ABOVE THE LINE:

 Size (Bytes)Use
TPX version 5.4TPX version 5.3
SLOT 13232VARIABLES
UPB
SLOT 26464VARIABLES
SHORTER TENMSGL LINES
SLOT 3128128LONGER TENMSGL LINES
EB
RPL
LSIB
NIB
NSTE
SLOT 4136136UENTRY
SLOT 5208200UINDEX
SLOT 6352352AMAP
RPQB
PART OF SCREEN STRUCTURE
SLOT 7456456SB
RPQB
SLOT 8512512VENTRY
RPQB
SLOT 910241024VINDEX
RPQB
PANEL STRUCTURES
SLOT 1020482048SCREEN STRUCTURES
PANEL STRUCTURES
RPL BUFFERS
SLOT 1140964096SCREEN STRUCTURES
PANEL STRUCTURES
SLOT 1281928192PANEL STRUCTURES