rdisp/addump_period is a SAP Parameter attribute which is used to control Decides about TH_DUMP_SERVER_STATUS functionality 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 .
The function module TH_DUMP_SERVER_STATUS can be used to prompt a
particular server to write particular information to the trace. If you
call the parameter with the parameter OPCODE = 'DP', the information is
stored in the dispatcher's trace files (dev_disp).
The parmeter rdisp/addump_period specifies the minimum amount of time
that must have passed before the server status can be written again. If
the parameter has the value 0, no status is written.
Caution:
As of 7.40, the concept of snapshots has been introduced. These are also
saved server statuses, but they are:
Significantly more extensive
Saved in an archive and can be evaluated by the SAP MC.
Therefore, as of 7.40 SP2, you should use snapshots instead if you want
to "save" a server status. For more information, see parameter
See SAP Parameter Documentation for full SAP documentation for this profile parameter.