OCF Connector for Impala on CDP Release Notes

Alation Cloud Service Applies to Alation Cloud Service instances of Alation

Customer Managed Applies to customer-managed instances of Alation

December 13, 2023

Impala CDP OCF Connector: Version 2.0.1

Compatible Alation Version - 2022.4 or later

Fixed Issues

Test Connection Fails on the Impala CDP Connector

Test Connection is successful for Kerberos-enabled Impala CDP connector.

December 06, 2023

Impala CDP OCF Connector: Version 2.0.0

Compatible Alation Version - 2022.4 or later

Enhancements

Support for Public Cloud CDP Distribution

The Impala on CDP OCF connector now supports Public Cloud CDP Distribution and earlier support for Private Cloud CDP Distribution (Base and CDW).

Support for New and Combination of Multiple Authentication Types

The Impala on CDP OCF connector now supports the following authentication types:

Datasource (Impala)

  • No Auth

  • Username

  • Username Password (LDAP)

  • Kerberos (Password or Keytab)

  • SSL over any of the above methods

Metastore (For MDE)

  • No Auth

  • Username Password

  • Kerberos (Password or Keytab)

HDFS (For QLI)

  • Username

  • Username Password

  • Kerberos (Password or Keytab)

  • SSL over any of the above methods

Additionally, you can use multiple combinations of these authentication types for the data source and metastore connections. For details, see Impala on CDP OCF Connector.

Change of JDBC Driver

The Impala on CDP OCF connector now uses the Impala JDBC driver over the Hive JDBC driver. This allows support for public cloud CDP distribution and leverages the JDBC’s request pool parameter feature.

Limitations

Support for Compose

Impala OCF Connector version 2.0.0 supports Compose only from Alation version 2023.3.3.2 or later.