from #acspubsub-22

deduplicating strings may work, though maybe we could leverage using String.intern() when storing those entries? It should result in only having objects stored in String constant pool?

I was considering the usage of String.intern() but it would keep CAPS node string allocated forever. With many different clients (different CAPS nodes) we could have a lot of them in memory, but still less than without String.intern(), so we could go this route to keep things simple.