diff --git a/cmd/root.go b/cmd/root.go
index 25d79973c..f1f0ecc59 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -24,7 +24,8 @@ var (
 	log     = util.NewLogger("main")
 	cfgFile string
 
-	ignoreMqtt = []string{"releaseNotes"} // excessive size may crash certain brokers
+	ignoreErrors = []string{"warn", "error", "fatal"} // don't add to cache
+	ignoreMqtt   = []string{"releaseNotes"}           // excessive size may crash certain brokers
 )
 
 // rootCmd represents the base command when called without any subcommands
@@ -170,7 +171,7 @@ func run(cmd *cobra.Command, args []string) {
 
 	// value cache
 	cache := util.NewCache()
-	go cache.Run(tee.Attach())
+	go cache.Run(pipe.NewDropper(ignoreErrors...).Pipe(tee.Attach()))
 
 	// setup database
 	if conf.Influx.URL != "" {