diff --git a/README.md b/README.md
index 4eb202b..1f15002 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,12 @@
 # NodeIngestBench
 
-a very simple node.js script to quickly test ingest performance on large CrateDB 
-clusters.
+a simple nodejs script to quickly test ingest performance on CrateDB clusters.
 
-top measured performance with single node.js client : 1 200 000 rows / s
+top measured performance with single nodejs client : 1 200 000 rows / s
+
+## new improved version (app.js)
+
+Ubuntu 
 
 ```sh
 apt update && apt upgrade
@@ -13,3 +16,41 @@ sudo apt-get install -y nodejs
 npm install
 node app.js --batchsize 20000 --max_rows 1000000 --table "doc.benchmark" --shards 12 --concurrent_request 20
 ```
+
+
+```env
+CRATE_HOST=localhost
+CRATE_USER=admin
+CRATE_PASSWORD=secret-password
+CRATE_DB=doc
+CRATE_PORT=4200
+CRATE_SSL=true
+```
+
+
+## example run with app.js
+
+3 nodes (10 vCPUs) CrateDB cluster
+
+```bash
+node app.js --batchsize 20000 --max_rows 1000000 --table "doc.benchmark" --shards 12 --concurrent_request 20
+-------- Options ---------
+{
+  dropTable: true,
+  batchsize: 20000,
+  max_rows: 6000000,
+  table: 'doc.benchmark',
+  shards: 6,
+  concurrent_requests: 20
+}
+--------------------------
+... Buffer updated
+-------- Results ---------
+Time	 25.179 s
+Rows	 6,020,000 records
+Speed	 239,088.13 rows per sec
+-------- Results ---------
+```
+
+=> 2,400,000 Metrics / sec
+
diff --git a/app.js b/app.js
index effc9f5..1f3ebe9 100644
--- a/app.js
+++ b/app.js
@@ -157,7 +157,8 @@ function getNewBufferSync() {
 
 async function updateBuffer(message) {
   args_buffer = message.args_buffer;
-  console.log("... Buffer updated");
+  let progress = (stats.inserts_done * options.batchsize).toLocaleString();
+  console.log("Buffer updated - sent: ", progress);
 }
 
 worker.on("message", updateBuffer);
@@ -170,4 +171,5 @@ worker.on("exit", code => {
 process.on("SIGTERM", function () {
   worker.postMessage({ exit: true });
   console.log("Finished all requests");
+  process.exit();
 });