6.8. Release 0.3.14

Fixes and Features

• Fixed a regression from 0.3.11 which slows down split generation.
• Jmx stats refactoring to for better accounting of stats.
• Added support to plug in custom reporter for metrics that can send metrics to custom sinks. It can be set used by setting rubix.metrics.reporters=CUSTOM and providing implementation class using rubix.metric-collector.impl.