diff --git a/contentserver.go b/contentserver.go
index 23c4403..b4a54fe 100644
--- a/contentserver.go
+++ b/contentserver.go
@@ -58,13 +58,11 @@ func main() {
 	}()
 
 	if *flagFreeOSMem > 0 {
-		Log.Info("dumping heap every $interval minutes", zap.Int("interval", *flagHeapDump))
 		Log.Info("freeing OS memory every $interval minutes", zap.Int("interval", *flagFreeOSMem))
 		go func() {
 			for {
 				select {
 				case <-time.After(time.Duration(*flagFreeOSMem) * time.Minute):
-					Log.Info("dumping heap every $interval minutes", zap.Int("interval", *flagHeapDump))
 					log.Info("FreeOSMemory")
 					debug.FreeOSMemory()
 				}
diff --git a/repo/loader.go b/repo/loader.go
index fa1cc4b..4b4618f 100644
--- a/repo/loader.go
+++ b/repo/loader.go
@@ -249,6 +249,7 @@ func (repo *Repo) loadJSONBytes() error {
 		historyErr := repo.history.add(repo.jsonBuf.Bytes())
 		if historyErr != nil {
 			Log.Error("could not add valid json to history", zap.Error(historyErr))
+			status.M.HistoryPersistFailedCounter.WithLabelValues(historyErr.Error()).Inc()
 		} else {
 			Log.Info("added valid json to history")
 		}
diff --git a/repo/repo.go b/repo/repo.go
index 2a7c22f..23405de 100644
--- a/repo/repo.go
+++ b/repo/repo.go
@@ -10,6 +10,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/foomo/contentserver/status"
+
 	"github.com/mgutz/ansi"
 
 	"github.com/foomo/contentserver/content"
@@ -275,7 +277,8 @@ func (repo *Repo) Update() (updateResponse *responses.Update) {
 		// persist the currently loaded one
 		historyErr := repo.history.add(repo.jsonBuf.Bytes())
 		if historyErr != nil {
-			Log.Warn("could not persist current repo in history", zap.Error(historyErr))
+			Log.Error("could not persist current repo in history", zap.Error(historyErr))
+			status.M.HistoryPersistFailedCounter.WithLabelValues(historyErr.Error()).Inc()
 		}
 		// add some stats
 		for dimension := range repo.Directory {
diff --git a/status/metrics.go b/status/metrics.go
index 36d69c8..61cc44b 100644
--- a/status/metrics.go
+++ b/status/metrics.go
@@ -19,14 +19,15 @@ const (
 
 // Metrics is the structure that holds all prometheus metrics
 type Metrics struct {
-	ServiceRequestCounter   *prometheus.CounterVec // count the number of requests for each service function
-	ServiceRequestDuration  *prometheus.SummaryVec // observe the duration of requests for each service function
-	UpdatesRejectedCounter  *prometheus.CounterVec // count the number of completed updates
-	UpdatesCompletedCounter *prometheus.CounterVec // count the number of rejected updates
-	UpdatesFailedCounter    *prometheus.CounterVec // count the number of updates that had an error
-	UpdateDuration          *prometheus.SummaryVec // observe the duration of each repo.update() call
-	ContentRequestCounter   *prometheus.CounterVec // count the total number of content requests
-	NumSocketsGauge         *prometheus.GaugeVec   // keep track of the total number of open sockets
+	ServiceRequestCounter       *prometheus.CounterVec // count the number of requests for each service function
+	ServiceRequestDuration      *prometheus.SummaryVec // observe the duration of requests for each service function
+	UpdatesRejectedCounter      *prometheus.CounterVec // count the number of completed updates
+	UpdatesCompletedCounter     *prometheus.CounterVec // count the number of rejected updates
+	UpdatesFailedCounter        *prometheus.CounterVec // count the number of updates that had an error
+	UpdateDuration              *prometheus.SummaryVec // observe the duration of each repo.update() call
+	ContentRequestCounter       *prometheus.CounterVec // count the total number of content requests
+	NumSocketsGauge             *prometheus.GaugeVec   // keep track of the total number of open sockets
+	HistoryPersistFailedCounter *prometheus.CounterVec // count the number of failed attempts to persist the content history
 }
 
 // newMetrics can be used to instantiate a metrics instance
@@ -72,6 +73,11 @@ func newMetrics() *Metrics {
 			"Total number of currently open socket connections",
 			metricLabelRemote,
 		),
+		HistoryPersistFailedCounter: newCounterVec(
+			"history_persist_failed_count",
+			"Number of failures to store the content history on the filesystem",
+			metricLabelError,
+		),
 	}
 }