I assume you've run profilers against it and captured CPU/memory snapshots? You may be filling up the heap, leading it to get into GC cycles to try to free memo

I assume you've run profilers against it and captured CPU/memory snapshots? You may be filling up the heap, leading it to get into GC cycles to try to free memory. If that's happening you either have a memory/resource leak, or you just need to allocate more heap to run your application.