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E-MapReduce:Release notes of EMR V3.29.X

Last Updated:Apr 28, 2023

This topic describes the release notes of E-MapReduce (EMR) V3.29.X, including the release date and updates.

Release date

July 29, 2020 for EMR V3.29.0

Updates

Component

Description

Bigboot

  • Bigboot is updated to 2.7.301.

  • Jindo DistCp allows you to write data into OSS in IA or Archive mode.

  • Features of Jindo Fuse are enhanced to support multiple namespaces.

  • The metadata caching feature of JindoFS in cache mode is enhanced.

Spark

  • Spark is updated to 2.4.5.2.0.

  • A third-party metastore is supported.

  • The datalake metastore-client parameter is added.

Hive

  • Hive is updated to 2.3.5.6.0.

  • A third-party metastore is supported.

  • The datalake metastore-client parameter is added.

Presto

Presto is updated to 338.

Ranger

  • The Ranger software package is updated to 1.2.0-1.5.0.

  • Presto 338 is supported.

  • The Description parameter is added to the configuration file.

HDFS

The space reserved for DataNode is configured as needed.

Knox

Knox is compatible with Impala, later Flink versions, and PAI.

Druid

Druid is updated to 0.18.1.

SmartData

SmartData is updated to 2.7.301.