Impala 2.2.0 - 1608 Release Notes

Below are release notes for the Impala component included in the MapR Distribution for Apache Hadoop.

Version 2.2.0
Release Date September 1, 2016
MapR Version Interoperability See Impala Support Matrix and Ecosystem Support Matrix (Pre-5.2 releases).
Source on GitHub https://github.com/mapr/impala
Release Tag 2.2.0-mapr-1608
Hive Support 1.2
HBase Support 98.12, 1.1
Package Names The following packages are associated with this release:
  • mapr-impala-2.2.0.201608311322-1.noarch.rpm
  • mapr-impala-catalog-2.2.0.201608311322-1.noarch.rpm
  • mapr-impala-server-2.2.0.201608311322-1.noarch.rpm
  • mapr-impala-statestore-2.2.0.201608311322-1.noarch.rpm

Known Issue

Impala 2.2.0 has a known performance bug tracked by IMPALA-1755.

Patches

This release by MapR includes the following patches. For complete details, refer to the commit log for this project in GitHub.

Commit Date (YYYY-MM-DD) Comment
2de4d7f 2016-06-22 MAPR-23749/IMPALA-2348: The Catalog service closes the connection to the Hive metastore after table invalidation to allow new connections for subsequent operations.
777a46d 2016-08-05 MAPR-23828: The DESCRIBE [FORMATTED] table statement correctly displays column metadata.