What is replicated to the database-backed session store?

[Nate Klingenstein]

Users & particularly Paul,

I've got the database-backed session store writing sessions successfully to an Oracle DB.  Yay.  Thanks for the work on the packaging.

However, when an attribute query (SAML 1.1 or SAML 2.0) based on a transient NameID is assigned to a node that is not the original node that the user authenticated to, it fails the lookup and can't respond to the query.  The query succeeds when it lands on the original node.

So, what exactly is replicated to the database and what does it enable?  Is this just enabling SSO and SLO?  Artifact resolution?  Attribute queries?

Thanks,
Nate.