in hbase-oss/src/main/java/org/apache/hadoop/hbase/oss/metrics/MetricsOSSSourceImpl.java [84:94]
public void getMetrics(MetricsCollector metricsCollector, boolean all) {
MetricsRecordBuilder mrb = metricsCollector.addRecord(metricsName);
metricsRegistry.snapshot(mrb, all);
// source is registered in supers constructor, sometimes called before the whole initialization.
if (metricsAdapter != null) {
// snapshot MetricRegistry as well
metricsAdapter.snapshotAllMetrics(registry, mrb);
}
}