Approx. 3KB of memory leaks per GET request to a Fedora container. Heap analysis shows that this is due to an increasing number of LinkedHashMaps held by hk2, each resulting from the injection of MultiPrefer into ContentExposingResource. This leak has likely been present since fedora 4.0.0.
It appears that this is ultimately a bug in Jersey, introduced in 2.9:
Reverting to Jersey 2.8 fixes the memory leak
It's possible that this was fixed in Jersey 2.17:
After fixing a few compilation errors due to method signature changes in Jersey, LDP tests fail with Jersey 2.17+.