This topic describes the release notes of E-MapReduce (EMR) V3.25.X, including the release date, new feature, and updates.
Release date
January 13, 2020 for EMR V3.25.0
New feature
Operations related to Ranger Presto are supported.
Updates
Component | Description |
Ranger |
|
Spark |
|
Delta | |
Hive | The issue that causes execution failures of MapReduce tasks in automatic local mode is fixed. |
Presto |
|
Tez |
|
Impala | The issue that an LZO table cannot be accessed by using Impala is fixed. |
HDFS | JAR packages related to Mongo-Hadoop are removed. |
ZooKeeper | ZooKeeper is updated to 3.5.6. |
YARN | Information on the web UI of Tez can be viewed. You can set yarn.resourcemanager.system-metrics-publisher.enabled to true on the yarn-site tab. |
Bigboot |
|
SmartData | |
Knox | Dependencies are updated. |
Oozie | Dependencies are updated. |