Impala 2.5.0 - 1606 Release Notes
Below are release notes for the Impala component included in the MapR Distribution for Apache Hadoop.
Version | 2.5.0 |
Release Date | June 30, 2016 |
MapR Version Interoperability | Works with MapR version 5.1.0 and later. See Impala Support Matrix and Ecosystem Support Matrix (Pre-5.2 releases). |
Source on GitHub | https://github.com/mapr/impala |
Release Tag | 2.5.0-mapr-1606 |
Hive Support | 1.2 |
HBase Support | 1.1.1 |
Package Names |
See Package Names for Ezmeral Ecosystem Packs (EEPs) if you are running 5.2 and install EEP 1.1.1, EEP 2.0, or any subsequent EEP release: The following packages are associated with Impala 2.5.0 - 1606 if you are running 5.1 and you install Impala from the https://package.ezmeral.hpe.com/releases/ecosystem-5.x/ repository, or if you are running 5.2 and install EEP 1.0.0 or 1.1.0:
|
New in this Release
This release of Impala includes new features and behavior changes that are specific to MapR. See New Features in Impala 2.5.0 for MapR for a full list and descriptions of new features and behaviors.
Fixed Issue
The performance issue tracked by IMPALA-1755 is now resolved.
Fixes
This release by MapR includes the following fixes. For complete details, refer to the commit log for this project in GitHub.
Commit | Date (YYYY-MM-DD) | Comment |
fc0b0aa2 | 2016-05-20 | [IMPALA-3375] Improve TopN performance with a trivial Compare object. |
0d3bd54f | 2016-05-20 | [IMPALA-2548] Codegen Tuple::MaterializeExprs() and use in TopN node. |
75a048e | 2016-05-20 | [IMPALA-3385] Fix crashes on accessing error_log. |
8ce0ce6 | 2016-05-20 | [IMPALA-2076] Correct execution time tracking for DataStreamSender. |
4605ee4 | 2016-05-20 | [IMPALA-2399] Check for mem limit in allocations in parquet scanner and decompressor. |
9ce2136 | 2016-05-20 | [IMPALA-3141] Send dummy filters when filter production is disabled. |
8a6dfa0d | 2016-05-20 | [IMPALA-3395] Old HT filter code uses wrong expr type. |
5d134fb7 | 2016-05-20 | [IMPALA-3270] & [IMPALA-3237] Improve handling of unsupported data types. |
0a09b2a | 2016-05-20 | [IMPALA-3194] Allow queries materializing scalar type columns in RC/sequence files. |
99896f6a | 2016-05-20 | [IMPALA-1928] Fix Thrift client transport wrapping order. |