Collecting debugging information

Before attempting to debug an issue with the data domain, collect the following information.

Hardware specifications and configuration.
Description of the Oracle Endeca Server topology (number and names of servers in the Endeca Server cluster, number of Dgraph nodes and their data domains).
The data from the Dgraph Server Statistics page.
Dgraph input.
Description of which Endeca Server nodes (and which hosted Dgraph nodes) are affected.

You can use the endeca-cmd commands to gather this information. For example, you can list the data domains and obtain their status with endeca-cmd list-dd --verbose, and also use endeca-cmd get-dd-health, and endeca-cmd get-dd-status.