HDFS¶

For accessing datasets in Hadoop Distributed File System (HDFS) you have to:

• In case the Hadoop cluster uses Kerberos authentication, you must configure the catalogs to work with the following Hadoop cluster services:

  • The Hadoop Distributed File System (HDFS).

  • The Hive Metastore.

  For this see External Hive Metastore with Kerberos or Embedded Hive Metastore with Kerberos sections depending on the type of Metastore used.

• Execute the kubectl create secret command:

  kubectl create secret generic mpp-credentials --from-literal=METASTORE_DB_PASSWORD=hive
  

• Run helm install command:

  helm install prestocluster prestocluster/