Increased memory on 2.5 with smart class params

[ekohl]

I wonder if this post is related:

Foreman 2.5.4 httpd threads lock out

Over time I see that the foreman instance has spun up a bunch of httpd threads in one of our instances, and as a result all other requests stop working, resolving (api and UI) until the http threads are purged or the services are restarted. Been pounding my head against this since our upgrade to 2.5 from 2.2 (which was using passenger, and now with 2.5 using puma) I can roll back to 2.2 and the problem does not occur, yet with all the versions of 2.5 so far (up to 2.5.4) this keeps happening. W…