1 comment on “HDFS Erasure Coding in Hadoop 3.0”

HDFS Erasure Coding in Hadoop 3.0


HDFS Erasure Coding(EC) in Hadoop 3.0 is the solution of the problem that we have in the earlier version of Hadoop, that is nothing but its 3x replication factor which is the simplest way to protect our data even in…

1 comment on “Simple Java program to Append to a file in Hdfs”

Simple Java program to Append to a file in Hdfs


In this blog, I will present you with a java program to append to a file in HDFS. I will be using Maven as the build tool. Now to start with- First, we need to add maven dependencies in pom.xml.…

1 comment on “Resolving the Failure Issue of NameNode”

Resolving the Failure Issue of NameNode


In the previous blog "Smattering of HDFS", we learnt that "The NameNode is a Single Point of Failure for the HDFS Cluster". Each cluster had a single NameNode and if that machine became unavailable, the whole cluster would become unavailable…

2 comments on “Introduction To HADOOP !”

Introduction To HADOOP !


Here I am to going to¬† write a blog on Hadoop! "Bigdata is not about data! The value in Bigdata [is in] the analytics. " -Harvard Prof. Gary King So the Hadoop came into Introduction! Hadoop is an open source,…

2 comments on “Smattering of HDFS”

Smattering of HDFS


INTRODUCTION TO HDFS :- Hadoop is an open-source framework that allows to store and process big data in a distributed environment across clusters of computers.It has many similarities with existing distributed file systems. However, the differences from other distributed file…