Release Notes ¶

Table of Contents

Release Notes

Documentation Conventions ¶

Commands and keywords are in this font.
$OFFLOAD_HOME is set when the environment file (offload.env) is sourced, unless already set, and refers to the directory named offload that is created when the software is unpacked. This is also referred to as <OFFLOAD_HOME> in sections of this guide where the environment file has not been created/sourced.
Third party vendor product names might be aliased or shortened for simplicity. See Third Party Vendor Products for cross-references to full product names and trademarks.

Introduction ¶

This document includes the Release Notes for Gluent Data Platform 4.3.

New Features ¶

The following new features were added in this release:

Azure Synapse Analytics support
Incremental Update support for Snowflake

Supported Operating Systems and Versions ¶

Gluent Data Platform can be installed on the following operating systems:

Red Hat Enterprise Linux, CentOS, Oracle Linux, 64-bit, versions 6 and 7

Supported RDBMSs and Versions ¶

Gluent Data Platform can be used with the following RDBMSs:

Oracle Database versions 11.2.0.4, 12.1.0.2, 12.2.0.1, 18.x, 19.x

Oracle Database Requirements¶

Gluent Data Platform is certified with Oracle Database Enterprise Edition only
Gluent Data Platform cannot be used if the Oracle Database Vault option is enabled
Gluent Data Platform requires the use of the following Oracle Database license packs:
- Smart Connector requires Oracle Diagnostic Pack
- Gluent Advisor and Hybrid Query Report require Oracle Diagnostic Pack and Oracle Tuning Pack

Supported Backend Data Platforms ¶

Gluent Data Platform can be used with the following backend platforms:

Azure Synapse Analytics
Cloudera Data Hub versions 5.7+, 6.x
Cloudera Data Platform versions 7.x
Google BigQuery
Snowflake

Known Backend Issues¶

The following backends and versions are known to have issues when using Gluent Data Platform:

Azure Synapse Analytics: it is possible that some tables or hybrid queries with many columns might exceed the documented Synapse row overflow limits (https://docs.microsoft.com/en-us/sql/relational-databases/pages-and-extents-architecture-guide?view=azure-sqldw-latest#row-overflow-considerations)
Cloudera Data Hub 5.13.0: issue with incorrect results in Avro, fixed in 5.15.2 and 5.16.1 (https://issues.apache.org/jira/browse/IMPALA-7360)
Cloudera Data Hub 5.15.0: issue affecting hybrid queries that include the Oracle Database CHAR data type
Snowflake: the Snowflake JDBC driver shipped with Gluent Data Platform for use by Data Daemon does not support Java 16

Supported Storage Schemes and Services ¶

Gluent Data Platform can be used with one or more of the following storage schemes and services, depending on the backend platform (see documentation for details):

HDFS
Amazon S3
Google Cloud Storage
Microsoft Azure Data Lake Storage Gen1, Data Lake Storage Gen2, Blob Storage

Gluent Data Platform Option Changes ¶

New or Modified Gluent Data Platform Parameters¶

The following Gluent Data Platform options are new or modified in this version:

Software Component	Option
Offload	`--unicode-string-columns`
	`--allow-floating-point-conversions`
	`--not-null-columns`
Present	`--unicode-string-columns`

Deprecated Gluent Data Platform Parameters¶

None.

Restrictions ¶

Gluent Data Platform 4.3 has the following restrictions:

Amazon EMR is not supported as a backend in this version. For Amazon EMR support, use Gluent Data Platform 3.x
Incremental Update is not supported for use with Cloudera Data Platform Public Cloud

Gluent Data Platform interacts with a number of third party vendor products. For simplicity, third party vendor products might sometimes be aliased or shortened in the Gluent Data Platform product documentation. The references and their official product names are provided in the table below.

Third Party Vendor Products and References¶

Reference	Vendor Product Name	Trademark
Oracle	Oracle Database	Oracle Corporation
Oracle Linux	Oracle Linux
Oracle RAC	Oracle Real Application Clusters
Oracle Wallet	Oracle Wallet
Data Guard	Oracle Data Guard
Java	Java
SQL Developer	Oracle SQL Developer
SQL*Plus or sqlplus	SQL*Plus (Oracle Database)
CDH	Cloudera Data Hub	Cloudera, Inc.
CDP	Cloudera Data Platform
Impala	Apache Impala or Cloudera Impala
Hadoop	Apache Hadoop	The Apache Software Foundation
HDFS	Hadoop Distributed File System
Knox	Apache Knox
Livy	Apache Livy
Ranger	Apache Ranger
Sentry	Apache Sentry
Spark	Apache Spark
Sqoop	Apache Sqoop
BigQuery	Google BigQuery	Google, LLC
GCP	Google Cloud Platform
GCS	Google Cloud Storage
Amazon EMR or EMR	Amazon Elastic MapReduce (EMR)	Amazon Web Services, Inc.
Amazon IAM or IAM	Amazon Identity and Access Management (IAM)
Amazon S3 or S3	Amazon Simple Storage Service (S3)
Azure	Microsoft Azure	Microsoft Corporation
Azure ADLS or ADLS	Azure Data Lake Storage Generation 1
Azure ABFS or ABFS	Azure Data Lake Storage Generation 2
PolyBase	Microsoft PolyBase
Synapse	Azure Synapse Analytics
Windows	Microsoft Windows
Snowflake	Snowflake	Snowflake Inc.
CentOS	CentOS	The CentOS Project
macOS	macOS	Apple Inc.
RHEL	Red Hat Enterprise Linux	Red Hat, Inc.

Documentation Feedback ¶

Send feedback on this documentation to: feedback@gluent.com

Configuration File	Configuration Parameter
`datad.properties`	`logging.level.com.gluent.providers.jdbc.JdbcDataProvider`
	`logging.level.com.gluent.providers.synapse.SynapseProvider`
`offload.env`	`BACKEND_ODBC_DRIVER_NAME`
	`OFFLOAD_NOT_NULL_PROPAGATION`
	`QUERY_MONITOR_THRESHOLD`
	`START_OF_WEEK`
	`SYNAPSE_AUTH_MECHANISM`
	`SYNAPSE_COLLATION`
	`SYNAPSE_DATA_SOURCE`
	`SYNAPSE_DATABASE`
	`SYNAPSE_FILE_FORMAT`
	`SYNAPSE_MSI_CLIENT_ID`
	`SYNAPSE_PASS`
	`SYNAPSE_PORT`
	`SYNAPSE_RESOURCE_GROUP`
	`SYNAPSE_ROLE`
	`SYNAPSE_SERVER`
	`SYNAPSE_SERVICE_PRINCIPAL_ID`
	`SYNAPSE_SERVICE_PRINCIPAL_SECRET`
	`SYNAPSE_SUBSCRIPTION_ID`
	`SYNAPSE_USER`
	`SYNAPSE_WORKSPACE`