Configure and Start Apache Tez

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	Note
	The `su` commands in this section use keywords to represent the Service user. For example, "hdfs" is used to represent the HDFS Service user. If you are using another name for your Service users, you will need to substitute your Service user name in each of the `su` commands.

To upgrade Apache Tez:

Copy your previously backed-up copy of tez-site.xml into the /etc/tez/conf directory.

Upload the Tez tarball to HDFS.

su - hdfs
hdfs dfs -mkdir -p /hdp/apps/<hdp_version>/tez/
hdfs dfs -put /usr/hdp/<hdp_version>/tez/lib/tez.tar.gz /hdp/apps/<hdp_version>/tez/
hdfs dfs -chown -R hdfs:hadoop /hdp
hdfs dfs -chmod -R 555 /hdp/apps/<hdp_version>/tez
hdfs dfs -chmod -R 444 /hdp/apps/<hdp_version>/tez/tez.tar.gz

Where <hdp_version> is the current HDP version, for example 2.3.4.0-$BUILD.

Edit the tez.lib.uris property in the tez-site.xml file to point to /hdp/apps/<hdp_version>/tez/tez.tar.gz
```
...
<property>
 <name>tez.lib.uris</name>
 <value>/hdp/apps/<hdp_version>/tez/tez.tar.gz</value>
</property>
...
```
Where <hdp_version> is the current HDP version, for example 2.3.4.0-$BUILD.
Optional Earlier releases of Tez did not have access control. In the current version of Tez, the default behavior restricts the ability to view the Tez history to only the owner of the job. To retain unrestricted access for non-secure clusters, set tez.am.view-acls set to "*".
Change the value of the tez.tez-ui.history-url.base property to the url for the upgraded Tez View. For information on setting up the Tez view, see Deploying the Tez View in the HDP Ambari Views Guide.

​Configure and Start Apache Tez