Non-Ambari Cluster Installation Guide
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To troubleshoot your Tez installation and configuration, refer first to Using the Tez View. You can also 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