// just create an index, no date format, means one index only
.index("metrics")
.indexDateFormat(null)
// define a percolation check on all metrics
.percolationFilter(MetricFilter.ALL)
.percolationNotifier(new SystemOutNotifier())
//.percolationNotifier(new HttpNotifier())
.build();
// usually you set this to one minute
reporter.start(10, TimeUnit.SECONDS);