rdisp/resource_limit is a SAP Parameter attribute which is used to control Limit for resoruce check in percent 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 .
Important server resources (such as communication blocks, the request
queue, logon management, and so on) are regularly checked. You can use
this parameter to configure the percentage value for capacity used as of
which the resource check fails. This means that:
A snapshot is written (see
See SAP Parameter Documentation for full SAP documentation for this profile parameter.