Instrumentation that we might like to keep

app/multitenant/aws_collector.go

@@ -326,6 +326,7 @@ func (c *awsCollector) Report(ctx context.Context) (report.Report, error) {
 		}
 	}
 
+	log.Debugf("Fetching %d reports from %v to %v", len(reportKeys), start, now)
 	reports, err := c.getReports(reportKeys)
 	if err != nil {
 		return report.MakeReport(), err

app/multitenant/memcache_client.go

@@ -188,6 +188,11 @@ func (c *MemcacheClient) FetchReports(keys []string) (map[string]report.Report,
 		}
 	}
 
+	if len(missing) > 0 {
+		sort.Strings(missing)
+		log.Warningf("Missing %d reports from memcache: %v", len(missing), missing)
+	}
+
 	memcacheHits.Add(float64(len(reports)))
 	memcacheRequests.Add(float64(len(keys)))
 	return reports, missing, nil