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    E-MapReduce:Release notes for EMR V4.9.X

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    E-MapReduce:Release notes for EMR V4.9.X

    Last Updated:Apr 27, 2023

    This topic describes the release notes for E-MapReduce (EMR) V4.9.X, including the release date, updates, and release version information.

    Release date

    April 21, 2021 for EMR V4.9.0

    Updates

    Service

    Description

    SmartData

    SmartData is updated to 3.5.0.

    For more information, see SmartData 3.5.X.

    Spark

    • The issue that adaptive execution does not take effect in some scenarios is fixed.

    • The issue that statistical aggregate functions are used in different manners in Spark and Hive is fixed.

    • The issue that Spark cannot read valid data of the CHAR type from a Hive ORC table is fixed.

    HDFS

    The SM4 encryption algorithm is supported.

    Hue

    Hue is updated to 4.9.0.

    Alluxio

    Alluxio is updated to 2.5.0.

    Livy

    Livy is updated to 0.7.1.

    Release version information

    Hadoop clusters

    Service

    Version

    HDFS

    3.2.1

    YARN

    3.2.1

    Hive

    3.1.2

    Spark

    2.4.7

    Knox

    1.1.0

    Tez

    0.9.2

    Ganglia

    3.7.2

    Sqoop

    1.4.7

    SmartData

    3.5.0

    Bigboot

    3.5.0

    Hudi

    0.6.0

    OpenLDAP

    2.4.44

    Hue

    4.9.0

    HBase

    2.3.4

    ZooKeeper

    3.6.2

    Presto

    338

    Impala

    3.4.0

    Zeppelin

    0.9.0

    Flume

    1.9.0

    Livy

    0.7.1

    Superset

    0.36.0

    Ranger

    2.1.0

    Flink

    1.10-vvr-1.0.2

    Storm

    1.2.2

    Alluxio

    2.5.0

    ESS

    1.0.0

    Kudu

    1.11.1

    Oozie

    5.1.0

    Shuffle Service clusters

    Service

    Version

    ESS

    1.0.0

    Kafka clusters

    Service

    Version

    ZooKeeper

    3.6.2

    Ganglia

    3.7.2

    Kafka

    2.4.1

    Kafka-Manager

    1.3.3.16

    OpenLDAP

    2.4.44

    Knox

    1.1.0

    Ranger

    2.1.0