What is the recommended way to do Session Management on Google Application
Engine?
In the webapp world, the usual implementation with a session store
(Redis/Memcache/RDBMS etc) that is shared by all server-instances.
So, when the Java code calls
request.getSession().setAttribute("UserName", username);
that value will be accessible for multiple requests
by this browser.
A websearch shows some advice:
- Implement it yourself
- Various open-source libraries, non-standard and mostly unmaintained
I would expect a PaaS like GAE to have Session Management out-of-the-box.
This StackOverflow answer
<https://stackoverflow.com/questions/28689941/how-to-deal-with-sessions-in-google-app-engine>
says "AppEngine
uses Datastore to store the session informations and memcache for faster
access" and this official documentation
<https://cloud.google.com/appengine/docs/standard/java/config/appref>
mentions that
"Session data is always written synchronously to memcache."
But on the other hand this tutorial
<https://cloud.google.com/community/tutorials/express-memcached-session-appengine>
suggests
that session management must be added to GAE.
How should we do Session Management?
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