appengine: add low latency publish comment (GoogleCloudPlatform#2265)

anguillanneuf · web-flow · commit 9855121ed5d2 · 2019-07-11T13:56:16.000-07:00
* appengine: add low latency publish comment

* nit: remove spaces
diff --git a/appengine/standard_python37/pubsub/main.py b/appengine/standard_python37/pubsub/main.py
@@ -48,6 +48,8 @@ def index():
 
     data = request.form.get('payload', 'Example payload').encode('utf-8')
 
+    # Consider initializing the publisher client outside this function
+    # for better latency performance.
     publisher = pubsub_v1.PublisherClient()
     topic_path = publisher.topic_path(app.config['GCLOUD_PROJECT'],
                                       app.config['PUBSUB_TOPIC'])
