Set up WebHCat proxy user for Pig View

You must set up an HDFS proxy user for WebHCat and a WebHCat proxy user for the Ambari Server daemon account.

To set up the HDFS proxy user for WebHCat :

In Ambari Web, browse to Services > HDFS > Configs.
On the Advanced tab, navigate to the Custom core-site section.
Click Add Property… to add the following custom properties:
```
hadoop.proxyuser.hcat.groups=*
hadoop.proxyuser.hcat.hosts=*
```
Save the configuration change and restart the required components as prompted by Ambari.

set up a WebHCat proxy user for the Ambari Server daemon account.