Perform the following steps to configure Tez for your Hadoop cluster: Create a tez-site.xml configuration file and place it in the /etc/tez/conf configuration directory. A sample tez-site.xml file is included in the configuration_files/tez folder in the HDP companion files. Create the $TEZ_CONF_DIR environment variable and set it to to the location of the tez-site.xml file. export TEZ_CONF_DIR=/et