New Features in Apache Impala

This release of Impala contains the following changes and enhancements from previous releases.

New Features in Impala 3.1

For the full list of issues closed in this release, including the issues marked as "new features" or "improvements", see the changelog for Impala 3.1.

New Features in Impala 3.0

For the full list of issues closed in this release, including the issues marked as "new features" or "improvements", see the changelog for Impala 3.0.

New Features in Impala 2.12

For the full list of issues closed in this release, including the issues marked as "new features" or "improvements", see the changelog for Impala 2.12.

New Features in Impala 2.11

For the full list of issues closed in this release, including the issues marked as "new features" or "improvements", see the changelog for Impala 2.11.

New Features in Impala 2.10

For the full list of issues closed in this release, including the issues marked as "new features" or "improvements", see the changelog for Impala 2.10.

New Features in Impala 2.9

For the full list of issues closed in this release, including the issues marked as "new features" or "improvements", see the changelog for Impala 2.9.

The following are some of the most significant new features in this release:

New Features in Impala 2.8

New Features in Impala 2.7

New Features in Impala 2.6

New Features in Impala 2.5

New Features in Impala 2.4

New Features in Impala 2.3

The following are the major new features in Impala 2.3.x. This major release contains improvements to SQL syntax (particularly new support for complex types), performance, manageability, security.

In Impala 2.3.2, the bug fix for IMPALA-2598 removes the restriction on using both Kerberos and SSL for internal communication between Impala components.

New Features in Impala 2.8

The following are the major new features in Impala 2.2. This release contains improvements to performance, manageability, security, and SQL syntax.

New Features in Impala 2.1

This release contains the following enhancements to query performance and system scalability:

New Features in Impala 2.0

The following are the major new features in Impala 2.0. This major release contains improvements to performance, scalability, security, and SQL syntax.

New Features in Impala 1.4

The following are the major new features in Impala 1.4:

New Features in Impala 1.3.2

No new features. This point release is exclusively a bug fix release for the IMPALA-1019 issue related to HDFS caching.

New Features in Impala 1.3.1

This point release is primarily a vehicle to deliver bug fixes. Any new features are minor changes resulting from fixes for performance, reliability, or usability issues.

New Features in Impala 1.3

New Features in Impala 1.2.4

Note: Impala 1.2.4 is primarily a bug fix release for Impala 1.2.3, plus some performance enhancements for the catalog server to minimize startup and DDL wait times for Impala deployments with large numbers of databases, tables, and partitions.

New Features in Impala 1.2.3

Impala 1.2.3 contains exactly the same feature set as Impala 1.2.2. Its only difference is one additional fix for compatibility with Parquet files generated outside of Impala by components such as Hive, Pig, or MapReduce. If you are upgrading from Impala 1.2.1 or earlier, see New Features in Impala 1.2.2 for the latest added features.

New Features in Impala 1.2.2

Impala 1.2.2 includes new features for performance, security, and flexibility. The major enhancements over 1.2.1 are performance related, primarily for join queries.

New user-visible features include:

Because Impala 1.2.2 builds on a number of features introduced in 1.2.1, if you are upgrading from an older 1.1.x release straight to 1.2.2, also review New Features in Impala 1.2.1 to see features such as the SHOW TABLE STATS and SHOW COLUMN STATS statements, and user-defined functions (UDFs).

New Features in Impala 1.2.1

Note: The Impala 1.2.1 feature set is a superset of features in the Impala 1.2.0 beta, with the exception of resource management, which relies on resource management infrastructure in the underlying Hadoop distribution.

Impala 1.2.1 includes new features for security, performance, and flexibility.

New user-visible features include:

New Features in Impala 1.2.0 (Beta)

The Impala 1.2.0 beta includes new features for security, performance, and flexibility.

New user-visible features include:

New Features in Impala 1.1.1

Impala 1.1.1 includes new features for security and stability.

New user-visible features include:

New Features in Impala 1.1

Impala 1.1 includes new features for security, performance, and usability.

New user-visible features include:

New Features in Impala 1.0.1

New user-visible features include:

New Features in Impala 1.0

This version has multiple performance improvements and adds the following functionality:

New Features in Version 0.7 of the Impala Beta Release

This version has multiple performance improvements and adds the following functionality:

New Features in Version 0.6 of the Impala Beta Release

New Features in Version 0.5 of the Impala Beta Release

New Features in Version 0.4 of the Impala Beta Release

New Features in Version 0.3 of the Impala Beta Release

New Features in Version 0.2 of the Impala Beta Release