No and no. Strictly proprietary technology which gives a real competitive advantage. Fun thing is, if you choose your data structures wisely, it&#x27;s not even that hard to write; it ended up being under 2k lines of C++ code.<p>GC was offline though; it was performed at the time the container was &quot;upgraded&quot; from RO to RW access. I don&#x27;t think it&#x27;d be difficult to make it online, but there was no need for that.