Apache Hadoop 3.1.3

Apache Hadoop 3.1.3 incorporates a number of significant enhancements over the previous major release line (hadoop-2.x).

This release is generally available (GA), meaning that it represents a point of API stability and quality that we consider production-ready.


This release is a maintainance release. Users are encouraged to read the full set of changelog. This page provides some of the major changes.

Failover for LdapGroupsMapping - HADOOP-15950

DelegationTokenAuthenticationFilter get wrong doAsUser since it does not decode URL - HADOOP-15922

Service AM support for decommissioning component instances - YARN-8761

Avoid allocating opportunistic containers to previous/removed/non-exist application attempt - YARN-9238

Standby does not trigger edit log rolling when in-progress edit log tailing is enabled - HDFS-14317

Getting Started

The Hadoop documentation includes the information you need to get started using Hadoop. Begin with the Single Node Setup which shows you how to set up a single-node Hadoop installation. Then move on to the Cluster Setup to learn how to set up a multi-node Hadoop installation.