Spark 2.4.4.400 - 2110 (EEP 6.3.5) Release Notes
This section provides reference information, including new features, patches, and known issues for Spark 2.4.4.
The notes below relate specifically to the MapR Data Platform Distribution for Apache Hadoop. For more information, you may also wish to consult the open-source Spark 2.4.4 Release Notes.
These release notes contain only HPE-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 | 2.4.4.400 |
| Release Date | October 2021 |
| 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 | 2.4.4.400-mapr-635 |
| 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
- Beginning with EEP 6.0.0, the keyStore and
trustStore password can be removed from
spark-defaults.confand set in/opt/mapr/conf/ssl-client.xml. - Beginning with EEP 6.0.0, after an upgrade,
the previous version's configuration files are saved in the
/opt/mapr/sparkdirectory. - MapR 6.1.0 with EEP 6.0.0 and later support simplified security. If you 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 2.4.4 Release Notes.
Fixes
This HPE release includes the following new fixes since the latest data-fabric Spark release. For details, refer to the commit log for this project in GitHub.
| GitHub Commit Number | Date (YYYY/MM/DD) | HPE Fix Number and Description |
|---|---|---|
| ce96abb | 2021/05/24 | MapR [SPARK-874] DStream: Spark processes queued time=t+interval batch even if time=t batch failed |
| 1d80bac | 2021/06/02 | [SPARK-30225][CORE] Correct read() behavior past EOF in NioBufferedFileInputStream |
| 53ae06b | 2021/06/04 | MapR [SPARK-847] Spark can't read data from symlink |
| 87516c8 | 2021/06/09 | MapR [SPARK-894] Hadoop artifacts should be taken from the cluster |
| 35bb433 | 2021/06/10 | MapR [SPARK-892] Customer's question about several CVE's impact |
| e0dd5d4 | 2021/08/12 | MapR [SPARK-900] Introduce configuration option for symlink support |
| c6be19f | 2021/09/15 | MapR [SPARK-941] Problem with count via spark-shell |
| c442957 | 2021/09/17 | MapR [SPARK-914] CVE-2020-13956, WS-2017-3734 vulnerabilities in http-client |
Known Issues
- None.
Resolved Issues
- None.