diff --git a/swarmlab-app/src/run/app.js b/swarmlab-app/src/run/app.js
index 793dae98..666e24f6 100644
--- a/swarmlab-app/src/run/app.js
+++ b/swarmlab-app/src/run/app.js
@@ -95,6 +95,49 @@ const corsOptions = {
 // ------------------------------
 // --- LEFOS MONGO LOGGING
 // ------------------------------
+// Lefos - get length of logs
+app.get("/length", cors(corsOptions), (req, res) => {
+  console.log("getting length of logs");
+
+  var url = "mongodb://mongo:27017/";
+
+  MongoClient.connect(url, function (err, db) {
+    if (err) throw err;
+    var dbo = db.db("fluentdb");
+    dbo
+      .collection("test")
+      .find({})
+      .toArray(function (err, result) {
+        if (err) throw err;
+        // EPIDI EXW NESTED JSON PREPEI NA TO KANW PARSE DUO FORES
+        var obj = JSON.parse(JSON.stringify(result));
+        var appout = 0;
+        var apperror = 0;
+        var mongol = 0;
+        obj.forEach((value) => {
+          if (value.container_name == "/mongo") {
+            mongol++;
+          } else if (value.log.includes("app_name")) {
+            var test = JSON.parse(value.log);
+            var type = test.type;
+            if (type == "err") apperror++;
+            else appout++;
+          }
+        });
+        var RES = new Object();
+        var data = {
+          mongolength: mongol,
+          appout: appout,
+          apperror: apperror,
+        };
+        RES.data = data;
+
+        // console.log("Sending Data: " + jsonfinal);
+        res.json(RES.data);
+        db.close();
+      });
+  });
+});
 
 // Lefos - mongo test read
 app.get("/test", cors(corsOptions), (req, res) => {