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 September 2020

Date Update item Category Description Documentation
2020.09.2 JindoFS Updates 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 JindoFS Updates 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 Developer Guide Updates Describes how to access Object Storage Service (OSS) data. Access OSS data
2020.08.1 Cluster Types Updates Describes how to integrate Hadoop Distributed File System (HDFS) with Ranger and configure related permissions. HDFS