[core] disable warning for too metrics and increase metrics buffer size

Author: Michal Tichák

common/monitoring/monitoring.go

@@ -8,7 +8,6 @@ import (
 	"time"
 
 	"github.com/AliceO2Group/Control/common/logger"
-	"github.com/AliceO2Group/Control/common/logger/infologger"
 	"github.com/sirupsen/logrus"
 )
 
@@ -67,8 +66,6 @@ func eventLoop() {
 		case metric := <-metricsChannel:
 			if len(metrics) < metricsLimit {
 				metrics = append(metrics, metric)
-			} else {
-				log.WithField("level", infologger.IL_Devel).Warn("too many metrics waiting to be scraped. Are you sure that metrics scraping is running?")
 			}
 
 		case <-endChannel:

core/config.go

@@ -129,7 +129,7 @@ func setDefaults() error {
 	viper.SetDefault("enableKafka", true)
 	viper.SetDefault("logAllIL", false)
 	viper.SetDefault("metricsEndpoint", "8088/ecsmetrics")
-	viper.SetDefault("metricsBufferSize", 10000)
+	viper.SetDefault("metricsBufferSize", 1000000)
 	return nil
 }