Category Archives: 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. … Continue reading

Posted in big data, HDFS, Java | Tagged , , , | 1 Comment

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 … Continue reading

Posted in big data, HDFS, Scala | Tagged , , , , , , , | 1 Comment

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, … Continue reading

Posted in Apache Flink, apache spark, big data, database, HDFS, knoldus, Scala, software, Spark, Test, testing | 2 Comments

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 … Continue reading

Posted in HDFS | Tagged , , , , , | 2 Comments