Merge pull request #1236 from mwringe/verbose_logs

Reduce when some of our messages get logged.

metrics/processors/node_aggregator.go

@@ -41,7 +41,7 @@ func (this *NodeAggregator) Process(batch *core.DataBatch) (*core.DataBatch, err
 				nodeKey := core.NodeKey(nodeName)
 				node, found := batch.MetricSets[nodeKey]
 				if !found {
-					glog.Warningf("Failed to find node: %s", nodeKey)
+					glog.V(1).Info("No metric for node %s, cannot perform node level aggregation.")
 				} else if err := aggregate(metricSet, node, this.MetricsToAggregate); err != nil {
 					return nil, err
 				}

metrics/sources/manager.go

@@ -76,7 +76,7 @@ func (this *sourceManager) Name() string {
 }
 
 func (this *sourceManager) ScrapeMetrics(start, end time.Time) *DataBatch {
-	glog.Infof("Scraping metrics start: %s, end: %s", start, end)
+	glog.V(1).Infof("Scraping metrics start: %s, end: %s", start, end)
 	sources := this.metricsSourceProvider.GetMetricsSources()
 
 	responseChannel := make(chan *DataBatch)
@@ -149,7 +149,7 @@ responseloop:
 		}
 	}
 
-	glog.Infof("ScrapeMetrics: time: %s size: %d", time.Since(startTime), len(response.MetricSets))
+	glog.V(1).Infof("ScrapeMetrics: time: %s size: %d", time.Since(startTime), len(response.MetricSets))
 	for i, value := range latencies {
 		glog.V(1).Infof("   scrape  bucket %d: %d", i, value)
 	}