This topic describes the latest updates to E-MapReduce (EMR) documentation, including
the new features and feature updates.
For more information about the version updates and major feature updates of EMR, see
Overview.
Updates in January 2021
| Date |
Update item |
Category |
Description |
Documentation |
| 2021.01.15 |
SmartData |
New feature |
Describes the updates to SmartData V3.2.X. |
SmartData 3.2.X |
| 2021.01.15 |
Product Introduction |
New feature |
Describes the release notes of EMR V3.33.X, including the release date and updates. |
Release notes for EMR V3.33.X |
| 2021.01.15 |
Product Introduction |
New feature |
Describes the release notes of EMR V4.6.X, including the release date and updates. |
Release notes for EMR V4.6.X |
Updates in December 2020
| Date |
Update item |
Category |
Description |
Documentation |
| 2020.12.02 |
Cluster types |
New feature |
Describes Alluxio. It is a cloud-oriented open source data orchestration technology
for data analytics and AI.
|
Alluxio |
| 2020.12.02 |
Cluster types |
New feature |
Describes Hudi. It is a data lake framework that enables you to update and delete
data in Hadoop compatible file systems. It also allows you to consume changed data
in streaming mode.
|
Hudi |
| 2020.12.14 |
Cluster types |
New feature |
Describes EMR Remote Shuffle Service (ESS). It is an extension provided by EMR to
optimize the shuffle operations of computing engines.
|
Introduction |
| 2020.12.14 |
New feature |
New feature |
Describes the release notes of EMR V4.5.0, including the release date and updates. |
Release notes of EMR V4.5.X |
Updates in October 2020
| Date |
Update item |
Category |
Description |
Documentation |
| 2020.10.28 |
SmartData |
New feature |
Describes the updates to SmartData V3.0.0. |
SmartData 3.0.x |
Updates in September 2020
| Date |
Update item |
Category |
Description |
Documentation |
| 2020.09.2 |
SmartData |
Update |
Describes how to use JindoFS SDK to access JindoFS in password-free mode from an Elastic
Compute Service (ECS) instance. The instance is not an instance in EMR clusters.
|
Use the password-free feature of JindoFS SDK |
| 2020.09.2 |
SmartData |
Update |
Describes how to use Raft-RocksDB-Tablestore to store the metadata that is managed
by Namespace Service of JindoFS.
|
Use Raft-RocksDB-Tablestore to store metadata |
Updates in August 2020
| Date |
Update item |
Category |
Description |
Documentation |
| 2020.08.1 |
Cluster types |
Update |
Describes how to integrate HDFS with Ranger and configure related permissions. |
HDFS |
Updates in July 2020
| Date |
Update item |
Category |
Description |
Documentation |
| 2020.07.24 |
New feature |
New feature |
Describes how to configure an Impala SQL job. |
Configure an Impala SQL job |
| 2020.07.13 |
Data development |
Optimization |
Describes how to configure a VVR-based Flink job. |
Configure a VVR-based Flink job |
| 2020.07.09 |
Developer Guide |
Experience optimization |
Updates the default value of the spark.hadoop.fs.oss.impl parameter. |
|
| 2020.07.02 |
OpenAPI |
New API operation |
Describes how to call an API operation to scale in an EMR cluster. |
Cluster scale-in |
Updates in June 2020
| Date |
Update item |
Category |
Description |
Documentation |
| 2020.06.17 |
New feature |
New feature |
Describes how to configure and use Alink, Faiss-Server, and TensorFlow in the EMR
console.
|
|