mapreduce avrowrapper example


Output in JSON format
Avro provides support for both old Mapreduce Package API (org.apache.hadoop.mapred) and new Mapreduce Package API (org.apache.hadoop.mapreduce).¬†Avro data can be used as both input and output from a MapReduce job, as well as the intermediate format. In this post we will provide an example run of Avro Mapreduce 2 API. This […]

Avro MapReduce 2 API Example


avro mr job output 1
In this post, we will discuss about famous word count example through mapreduce and create a sample avro data file in hadoop distributed file system. Prerequisite: In order to execute the mapreduce word count program given in this post, we need avro-mapred-1.7.4-hadoop2.jar file to be present in $HADOOP_HOME/share/hadoop/common/lib directory. This […]

Avro MapReduce Word Count Example