Spark 2.4.7.100 - 2104 (EEP 7.1.0) Release Notes
This section provides reference information, including new features, patches, and known issues for Spark 2.4.7.100.
The notes below relate specifically to the HPE Ezmeral Data Fabric Distribution for Apache Hadoop. For more information, you may also wish to consult the open-source Spark 2.4.7 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 | 2.4.7.100 |
| Release Date | April 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 | 2.4.7.100-mapr-2104 |
| 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 data-fabric cluster, HPE scripts automatically configure Spark security features.
- Beginning with Core 6.2 and EEP 7.0, Spark supports SSL for WebUI.
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 Spark documentation for details.
New in This Release
- For a complete list of new features, see the open-source Spark 2.4.7 Release Notes.
- Service verifier
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 |
|---|---|---|
| ea8a479 | 2021/01/27 | [SPARK-32723][WEBUI] Upgrade to jQuery 3.5.1 |
| 98ced49 | 2021/02/02 | MapR [SPARK-701] CVE-2019-17571 security vulnerability for for log4j-1.2.17 |
| a2b10a6 | 2021/02/08 | MapR [SPARK-845] Update hadoop dependency for Spark-2.4.7 |
| 0dc3f73 | 2021/02/16 | MapR [SPARK-843] Improve logging for SSL certs generation |
| ed0be85 | 2021/02/16 | MapR [K8S-2129] Spark ignores impersonation in K8s |
| 759896a | 2021/02/17 | MapR [SPARK-847] Spark can't read data from symlink |
| ea1a325 | 2021/03/01 | MapR [K8S-2215] backport mapr-specific k8s commits from 2.4.5 |
| 584881f | 2021/03/19 | MapR [SPARK-846] Add service verifier to Spark package |
| 127da25 | 2021/03/24 | MapR [SPARK-856] Update Spark dependencies to latest artifacts for MEP-7.0.1 release |
| 9d1e83d | 2021/03/29 | MapR [SPARK-861] Error logs in spark-historyserver |
| 2ffdd06 | 2021/03/29 | MapR [SPARK-859] Excessive logs for spark job |
| 8b7abe5 | 2021/03/31 | MapR [SPARK-863] Interaction with HBase via hbase spark connector fails |
| 6b9d305 | 2021/04/05 | MapR [SPARK-841] Backport SPARK-32723 |
| ea9fc35 | 2021/04/08 | MapR [SPARK-851] Spark SQL transient FS error handling when writing output |
| 6e2aff7 | 2021/04/13 | MapR [SPARK-869] fix logging location |
| 976b271 | 2021/04/13 | MapR [SPARK-867] Spark Hive Example fails from simple user |
| 2bcc0c0 | 2021/04/13 | MapR [SPARK-870] Can't download event logs from SHS twice |
Known Issues
- SPARK-865: If you run a
configure.shcommand to configure HBase after Spark configuration, then you must manually copy thehbase-site.xmlconfiguration file from the HBase configuration directory to the Spark configuration directory.
Resolved Issues
- None.