Spark 2.1.0-1901 (EEP 4.1.3 and EEP 3.0.5) Release Notes
This section provides reference information, including new features, patches, and known issues for Spark 2.1.0-1901.
The notes below relate specifically to the MapR Distribution for Apache Hadoop. You may also be interested in the open-source Spark 2.1.0 Release Notes.
These release notes contain only MapR-specific information and are not necessarily cumulative in nature. For information about how to use the release notes, see Ecosystem Component Release Notes.
Spark Version | 2.1.0 |
Release Date | February 2019 |
MapR Version Interoperability | See EEP Components and OS Support. |
Source on GitHub | https://github.com/mapr/spark |
GitHub Release Tag | 2.1.0-mapr-1901 |
Maven Artifacts | https://repository.mapr.com/maven/ |
Package Names | Navigate to https://package.ezmeral.hpe.com/releases/MEP/ and select your EEP and OS to view the list of package names. |
IMPORTANT
- Spark 2.2 can connect to Hive Metastore 2.1. But, features of Hive added after Hive 1.2 are not supported by Spark.
- Spark Yarn and Standalone modes are supported only on clusters in MRv2 (YARN) mode. They are not supported on clusters in MRv1 (classic) mode.
Hive Support
This version of Spark supports integration with Hive. However, note the following exceptions:
- Hive-on-Spark is not supported.
- Spark-SQL is supported, but it is not fully compatible with Hive. For details, see the Apache Spark documentation and the MapR Spark documentation.
Fixes
This MapR release includes the following new fixes since the latest MapR Spark 2.2.1 release. For details, refer to the commit log for this project in GitHub.
GitHub Commit | Date (YYYY-MM-DD) | Comment |
---|---|---|
e6a9733 | 2018/11/01 | [SPARK-19263] DAGScheduler should avoid sending conflicting task set |
664b59f | 2018/11/01 | MapR [SPARK-266] Spark jobs can't finish correctly, when there is an error during job running |
7c714d7 | 2019/01/22 | MapR [SPARK-419] Update hive-maprdb-json-handler jar for spark |
Known Issues
- None.
Resolved Issues
- None.