Enable Presto

1. Hive Security Configuration

Update catalog/hive.properties, Add the following properties:

<!-- Config to connect Kerberized hive metastore -->
hive.metastore.authentication.type=KERBEROS
hive.metastore.service.principal=hbase/_HOST@HADOOP.COM
hive.metastore.client.principal=hbase/_HOST@HADOOP.COM
hive.metastore.client.keytab=/path/to/hbase.keytab

<!-- Config to connect kerberized hdfs -->
hive.hdfs.authentication.type=KERBEROS
hive.hdfs.presto.principal=hbase/_HOST@HADOOP.COM
hive.hdfs.presto.keytab=/path/to/hbase.keytab

Note “_HOST” should be replaced with the specific hostname.

2. Restart presto server

/bin/launcher restart