MapReduce is one of the core components of Hadoop that processes large datasets in parallel by dividing the task into a set of independent tasks. In this MapReduce Tutorial, you will study the working...
In this MapReduce Speculative Execution article, you will explore Hadoop speculative execution in detail. You will learn what is speculative execution, what is its need, how we can enable and disable it. The article...
Apache Hadoop is a software framework that processes and stores big data across the cluster of commodity hardware. Hadoop is based on the MapReduce model for processing huge amounts of data in a distributed...
If you want to know everything about Hadoop MapReduce, you have landed in the right place. This MapReduce Tutorial provides you the complete guide about each and everything in Hadoop MapReduce. In this MapReduce...
Performance tuning in Hadoop helps in optimizing Hadoop cluster performance. In this MapReduce Performance Tuning article, you will firstly explore the various ways for improving the Hadoop cluster performance and achieve the best results...
In this Hadoop blog, we are going to provide you an end to end MapReduce job execution flow. Here we will describe each component which is the part of MapReduce working in detail. This...
Performance tuning will help in optimizing your Hadoop performance. In this blog, we are going to discuss all those techniques for MapReduce Job optimizations. In this MapReduce tutorial, we will provide you 6 important...
In this Hadoop tutorial, we are going to explain you the concept of Data locality in Hadoop. First of all we will see the introduction to MapReduce Data locality in Hadoop, then we will...
In our previous Hadoop blogs we have studied each component of the Hadoop MapReduce process in detail. In this we are going to discuss the very interesting topic i.e. Map Only job in Hadoop....
In this MapReduce tutorial, we will discuss the comparison between MapReduce InputSplit vs Blocks in Hadoop. Firstly, we will see what is HDFS data blocks next to what is Hadoop InputSplit. Then we will...