On Tue, May 16, 2017 at 7:04 PM, Barry d'Hoine <barry.dho...@amplexor.com> wrote: > org.apache.jackrabbit.oak.cache.CacheLIRS
The CacheLIRS instance is a cache and hence would be referring to a big chunk of heap. Probably thats why MAT flags it. This alone does not confirm its a memory leak. The reachable size via this object should be closer to the cache size you have configured. If its much higher than configured cache size then that would need to be looked into What type of setup is this Document/Mongo or Tar? Chetan Mehrotra