The new correlation engine in MISP 2.4.161 is a major improvement in performance, usability and flexibility.
A threshold for over correlation can be set and you can select specific engine depending of your use-case.
You know what to do if you want the latest functionalities.
ALT The different engine of correlation available including some information about their size.
ALT Example of list of values over correlating on a MISP instance showing the ones automatically discarded due to over-correlation.