diff --git a/outputs/elasticsearch/api.go b/outputs/elasticsearch/api.go
index 02e8b08494d..28804aed8f5 100644
--- a/outputs/elasticsearch/api.go
+++ b/outputs/elasticsearch/api.go
@@ -143,6 +143,8 @@ func (es *Elasticsearch) Request(method string, url string,
 		return nil, err
 	}
 
+	logp.Debug("elasticsearch", "Request %s", req)
+
 	req.Header.Add("Accept", "application/json")
 	if es.Username != "" || es.Password != "" {
 		req.SetBasicAuth(es.Username, es.Password)
@@ -178,7 +180,6 @@ func (es *Elasticsearch) Index(index string, doc_type string, id string,
 	} else {
 		method = "PUT"
 	}
-	logp.Debug("output_elasticsearch", "method=%s path=%s", method, path)
 	resp, err := es.Request(method, path, params, body)
 	if err != nil {
 		return nil, err
diff --git a/outputs/elasticsearch/bulkapi.go b/outputs/elasticsearch/bulkapi.go
index 79105703ac9..e86838d438f 100644
--- a/outputs/elasticsearch/bulkapi.go
+++ b/outputs/elasticsearch/bulkapi.go
@@ -24,7 +24,6 @@ func (es *Elasticsearch) Bulk(index string, doc_type string,
 	enc := json.NewEncoder(&buf)
 	for obj := range body {
 		enc.Encode(obj)
-		logp.Debug("elasticsearch", "obj %s", obj)
 	}
 
 	if buf.Len() == 0 {
@@ -32,7 +31,7 @@ func (es *Elasticsearch) Bulk(index string, doc_type string,
 		return nil, nil
 	}
 
-	logp.Debug("elasticsearch", "Insert bulk messages: %s\n", buf)
+	logp.Debug("elasticsearch", "Insert bulk messages:\n%s\n", buf)
 
 	path, err := MakePath(index, doc_type, "_bulk")
 	if err != nil {
diff --git a/outputs/elasticsearch/output.go b/outputs/elasticsearch/output.go
index e39fe5a4e73..e11d252a98e 100644
--- a/outputs/elasticsearch/output.go
+++ b/outputs/elasticsearch/output.go
@@ -71,8 +71,11 @@ func (out *ElasticsearchOutput) Init(config outputs.MothershipConfig, topology_e
 	logp.Info("[ElasticsearchOutput] Using Elasticsearch %s", url)
 	logp.Info("[ElasticsearchOutput] Using index pattern [%s-]YYYY.MM.DD", out.Index)
 	logp.Info("[ElasticsearchOutput] Topology expires after %ds", out.TopologyExpire/1000)
-	logp.Info("[ElasticsearchOutput] Flush interval %s", out.FlushInterval)
-	logp.Info("[ElasticsearchOutput] Bulk size %d", out.BulkMaxSize)
+	if out.FlushInterval > 0 {
+		logp.Info("[ElasticsearchOutput] Insert events in batches. Flush interval is %s. Bulk size is %d.", out.FlushInterval, out.BulkMaxSize)
+	} else {
+		logp.Info("[ElasticsearchOutput] Insert events one by one. This might affect the performance of the shipper.")
+	}
 
 	return nil
 }
@@ -126,7 +129,7 @@ func (out *ElasticsearchOutput) SendMessagesGoroutine() {
 		case msg := <-out.sendingQueue:
 			index := fmt.Sprintf("%s-%d.%02d.%02d", out.Index, msg.Ts.Year(), msg.Ts.Month(), msg.Ts.Day())
 			if out.FlushInterval > 0 {
-				logp.Debug("output_elasticsearch", "Insert %d bulk messages.", len(bulkChannel))
+				logp.Debug("output_elasticsearch", "Insert bulk messages in channel of size %d.", len(bulkChannel))
 				if len(bulkChannel)+2 > out.BulkMaxSize {
 					logp.Debug("output_elasticsearch", "Channel size reached. Calling bulk")
 					out.InsertBulkMessage(bulkChannel)