Mapr has an HBase compatible stack in C++, I would love to see TSDB numbers on that. TSDB is pretty efficient itself and since metrics collection is such a bat

Mapr has an HBase compatible stack in C++, I would love to see TSDB numbers on that. TSDB is pretty efficient itself and since metrics collection is such a batchy operation JVM isn't really that much of a problem. You can run some dedicated TSDs for front end/UIs to ameliorate JVM pain there too.