View the Tez logs to help troubleshoot problems with your installation and configuration. Tez logs are accessible through the YARN CLI using the yarn logs command.

yarn logs -applicationId <APPLICATION_ID> [OPTIONS]

The application ID is listed at the end of the output for a running application, as shown below in the OrderedWordCount application output:

14/02/26 14:45:33 INFO examples.OrderedWordCount: DAG 1 completed. FinalState= SUCCEEDED14/02/26 
14:45:33 INFO client.TezSession: Shutting down Tez Session, sessionName=OrderedWordCountSession, applicationId=application_1393449467938_0001