Spark 2.2.1-2009 (EEP 5.0.5) Release Notes
This section provides reference information, including new features, patches, and known issues for Spark 2.2.1.
The notes below relate specifically to the MapR Distribution for Apache Hadoop. For more information, you may also wish to consult the open-source Spark 2.2.1 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 | 2.2.1 |
| Release Date | September 2020 |
| MapR Version Interoperability | See Component Versions for Released EEPs and EEP Components and OS Support. |
| Source on GitHub | https://github.com/mapr/spark |
| GitHub Release Tag | 2.2.1-mapr-2009 |
| 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
- Although Spark 2.2 can connect to Hive Metastore 2.1, Hive features added after Hive 1.2 are not supported by Spark.
- Beginning in Spark 2.2.1 and EEP 5.0. Kafka-1.0.1 is using by Spark.
- Spark Yarn and Standalone modes are only supported on clusters in MRv2 (YARN) mode. It is not supported on clusters in MRv1 (classic) mode.
- MapR 6.0 and EEP 5.0 introduce "Simplified Security." If you are using these versions and enable security on your MapR cluster, MapR scripts automatically configure Spark security features.
Hive Support
This version of Spark supports integration with Hive, but has the following exceptions:
- Hive-on-Spark is not supported.
- Spark-SQL is supported, but is not fully compatible with Hive. See the Apache Spark documentation and the MapR Spark documentation for details.
New in This Release
- For a complete list of new features, see the open-source Spark 2.2.1 release notes.
Fixes
This MapR release includes the following new fixes since the latest MapR Spark release. For details, refer to the commit log for this project in GitHub.
| GitHub Commit | Date (YYYY-MM-DD) | Comment |
|---|---|---|
| ee0107a | 2020/02/25 | MapR [SPARK-675] SSL truststore password should NOT be logged |
| aeeb51b | 2020/03/10 | MapR [SPARK-677] No TLS protocol logging for Spark thrift server & spark history server |
| 510ab00 | 2020/03/23 | MapR [SPARK-694] Duplicate py4j zip files in python/lib causing exceptions |
| 5979337 | 2020/04/30 | MapR [SPARK-704] Backporting netty update from SPARK-22324 |
| 692f67d | 2020/08/20 | MapR [SPARK-787] HCP usage should be turn off by default |
Known Issues
- None.
Resolved Issues
- None.