mapreduce
Core library for building and running MapReduce jobs in Apache Hadoop's distributed computing framework.
Last Release on Mar 24, 2026
2.Apache Hadoop MapReduce JobClient395 usages
org.apache.hadoop » hadoop-mapreduce-client-jobclient Apache
Apache Hadoop MapReduce JobClient
Last Release on Mar 24, 2026
Apache Hadoop MapReduce Common
Last Release on Mar 24, 2026
Apache Hadoop MapReduce App
Last Release on Mar 24, 2026
An org.apache.hadoop.mapred compatible API for using Avro Serialization in Hadoop
Last Release on Oct 15, 2025
Apache Hadoop MapReduce Shuffle
Last Release on Mar 24, 2026
Apache Hadoop MapReduce HistoryServer
Last Release on Mar 24, 2026
This module contains implementations of InputFormat, OutputFormat, Mapper, Reducer, etc which
are needed for running MR jobs on tables, WALs, HFiles and other HBase specific constructs.
It also contains a bunch of tools: RowCounter, ...
Last Release on Mar 20, 2026
Tez MapReduce
Last Release on May 29, 2025
10.ORC MapReduce33 usages
org.apache.orc » orc-mapreduce Apache
An implementation of Hadoop's mapred and mapreduce input and output formats
for ORC files. They use the core reader and writer, but present the data
to the user in Writable objects.
Last Release on Feb 25, 2026
