Function ToString

be/src/rpc/rpc-mgr.cc:297–301

}

static string ToString(kudu::HistogramPrototype& metric,
    const scoped_refptr<kudu::MetricEntity>& metric_entity, TUnit::type unit) {
  kudu::HdrHistogram snapshot(*metric.Instantiate(metric_entity)->histogram());
  return HistogramMetric::HistogramToHumanReadable(&snapshot, unit);
}

void RpcMgr::ToJson(Document* document) {
  if (messenger_.get() == nullptr) return;