Access Database using Hadoop MapReduce
1. Overview In this article we are going to explain how to access Database using Hadoop MapReduce. Nowadays, in ETL world, reading the Database and processing millions of records is…
Read More
Hadoop Custom Output Format Example
1. Overview Hadoop provides various Output classes like DBOutputFormat, SequenceFileOutputFormat, TextOutputFormat, etc..It also provides flexibility to its developers to use APIs and extend some of the functionality to achieve organization goals….
Hadoop Multiple Outputs Example
1. Overview Sometimes we require that our Hadoop job write data to multiple output locations. Hadoop provides facility to write the output of a job at a different location based on our…
Why Hadoop Is Best For Data Handling?
1. Hadoop Best Data Handling tool – Overview The information they say is power but that is if you are able to effectively utilize it. Before I go into the…
Reduce Side Join Mapreduce example using Java
1. Overview In this article, We are going to explain Reduce Side Join MapReduce example using Java. Joining two or more data sets, is perhaps the most common problem in…
Hadoop MapReduce WordCount example using Java
1. Overview We are trying to perform most commonly executed problem by prominent distributed computing frameworks, i.e Hadoop MapReduce WordCount example using Java. For a Hadoop developer with Java skill set,…