This topic describes the release notes for E-MapReduce (EMR) V4.5.X, including the release date, updates, and release version information.
EMR V4.5.1
Release date
December 13, 2020 for EMR V4.5.1
Updates
The issue that occurs when you query partitioned tables by using Hive or Presto is fixed.
EMR V4.5.1 is available only in the China (Hangzhou), China (Shanghai), and China (Beijing) regions.
EMR V4.5.0
Release date
December 7, 2020 for EMR V4.5.0
New features
Service | Description |
EMR Remote Shuffle Service (ESS) | ESS 1.0.0 is supported. For more information, see ESS. |
Hudi | Hudi 0.6.0 is supported. |
Delta Lake | Delta Lake 0.6.1 is supported. |
Updates
Service | Description |
Ranger |
|
Presto |
|
Zeppelin | Zeppelin is updated to 0.8.2. |
SmartData | SmartData is updated to 3.1.0. For more information, see SmartData 3.1.X. |
Bigboot | Bigboot is updated to 3.1.0. |
Hive |
|
Spark | Metadata stored in Alibaba Cloud DLF is supported. |
DLF Metastore |
|
Impala | Custom configuration of parameters on the catalogd.flgs, impalad.flgs, and statestored.flgs tabs is supported in the EMR console. |
Tez | Vulnerabilities related to autoDeploy on the web UI of Tez are fixed. |
OpenLDAP | A rule that determines whether port 10389 is in the waiting state is added. |
Hue | Security vulnerabilities of the MySQL backend are fixed. |
Kerberos |
|
Sqoop |
|
Release version information
Hadoop clusters
Service | Version |
HDFS | 3.1.3 |
YARN | 3.1.3 |
Hive | 3.1.2 |
Spark | 2.4.5 |
Knox | 1.1.0 |
Tez | 0.9.2 |
Ganglia | 3.7.2 |
Sqoop | 1.4.7 |
SmartData | 3.1.0 |
Bigboot | 3.1.0 |
Hudi | 0.6.0 |
OpenLDAP | 2.4.44 |
Hue | 4.4.0 |
HBase | 2.1.9 |
ZooKeeper | 3.5.6 |
Presto | 338 |
Impala | 3.4.0 |
Zeppelin | 0.8.2 |
Pig | 0.14.0 |
Flume | 1.9.0 |
Livy | 0.6.0 |
Superset | 0.36.0 |
Ranger | 2.1.0 |
Flink | 1.10-vvr-1.0.2 |
Storm | 1.2.2 |
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 | 3.5.6 |
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 |