By default, SRTMiniServer always generates an NDI stream for each line. If you do not use NDI, it is advisable to disable its generation to increase performance.
There are two ways to do this:
START_NO_NDI"-file (if you need a one-time run without NDI)
"no_ndi" flag in Advanced Settings (if you need to run without NDI always)
NOTE: you can always generate NDI via SDIOutAddon.
For this run server by click on "START_NO_NDI" file: