static void speedTestHashLogger(final int len) {
final HLogger logger = hashLoggerContext.getLogger(loggerName);
long start = System.nanoTime();
for (int i = 0; i < len; i++) {
logger.debug("some message");
}
long result = System.nanoTime() - start;
System.out.println("DIRECT Hash logger: " + (result / len));
}