An 'undefined' page is any page that has been linked to from within Confluence, but that does not yet exist.

Undefined Page Linked From
6.3 New and Noteworthy Page: Upgrade Guide (Datameer v7)
Configuring Datameer X in a Shared Hadoop Cluster Page: Checklist for Hadoop Administrators (Datameer X v10)
Configuring a Server for Datameer X Failover Page: Housekeeping Service (Datameer X v10)
Datameer X App Market Page: Scheduling with Custom Cron Patterns (Datameer X v11)
Page: Scheduling with Custom Cron Patterns (Datameer X v10)
Datameer X Functions Page: Data Field Types in Datameer (Datameer X v10)
Page: Available Plug-ins (Datameer X v10)
Page: Working With Date and Time Information (Datameer X v10)