public static void enableShortCircuitShmTracing() { LogManager.getLogger(DfsClientShmManager.class.getName()).setLevel( Level.TRACE); LogManager.getLogger(ShortCircuitRegistry.class.getName()).setLevel( Level.TRACE); LogManager.getLogger(ShortCircuitShm.class.getName()).setLevel( Level.TRACE); LogManager.getLogger(DataNode.class.getName()).setLevel( Level.TRACE); }