7. Enabling Tez for Hive Queries

Limitations

This release of Tez does not support the following actions:

Index creation
Skew joins

To enable Tez for Hive Queries:

Run the following command to copy the hive-exec-*.jar to HDFS at /apps/hive/install/:

su - $HIVE_USER
hadoop fs -mkdir /apps/hive/install
hadoop fs -copyFromLocal /usr/hdp/<hdp_version>/hive/lib/hive-exec-*<hdp version>*.jar /apps/hive/install/

Enable Hive to use Tez DAG APIs. On the Hive client machine, add the following to your Hive script or execute it in the Hive shell:
```
set hive.execution.engine=tez;
```

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