rdisp/tableCheck is a SAP Parameter attribute which is used to control Define internal kernal tables to be checked information. This is available within R/3 SAP systems depending on the version and release level.
Below is the standard documentation available and a few details of the attributes values .
You can use this parameter to activate the runtime monitoring for some
internal kernel tables. This can be useful when analyzing problems such
as memory dumps or general crashes. You can check the following tables:
FILE Management table for open files
COMM Management table for open connections
VMC_SESSION Table for VMC session management
LOGON Management table for all active sessions
WP Management table for the work processes
SOCK,, Table of the virtualized sockets (VMC only)
SYS Management table for instance information
For each activated table, the check determines whether the internal
memory areas are in a consistent state. If the check detects errors,
these are logged in the developer trace.
Caution:
This parameter replaces the following parameters:
See SAP Parameter Documentation for full SAP documentation for this profile parameter.