Category: Big Data and Hadoop

This post includes topics that give you some basic understanding of Zookeeper at node level and basic commands for interacting with Zookeeper node, such as create, delete, update, etc. We recommend users to go through our previous post to brush up on Zookeeper fundamentals and the step-by-step guide to...

In this blog, we will work on a use case involving electric bulbs and work with the date and time concepts in Pig. In this instance, Pig is used in the local mode to load the local data. We can use Pig in HDFS mode as per our convenience....

In this post, we will be discussing GUI interface for Phoenix using Squirrel. We recommend readers to go through our previous posts on Integration of HBase with Phoenix before moving ahead. Squirrel provides GUI to interact with phoenix. Since Phoenix is a JDBC driver, integration with tools such as...

In this article, we will go through the fundamentals of ZooKeeper. Let’s start with why you want to use ZooKeeper. Introduction ZooKeeper is a one of the building block for distributed systems. While  designing a distributed system, there is typically a need for designing and developing some coordination services....

We all have heard of the term, ‘cache’ and is familiar with its use. But, what is its importance when it is collectively operated in a distributed system? We will get to the answer and also go through sample Map-reduce code execution in this blog. In computing, a distributed...

In this post, we will be discussing the procedures to implement CRUD operations in HBase using Java APIS. Before moving forward, it is best if readers can brush up on the working of HBase and its operations. Introduction to HBase Apache HBase is an open-source, distributed, versioned, non-relational database...

In this blog we will discussing about what is phoenix and how to integrate with Hbase. First of all lets get started with Apache phoenix. What is Apache Phoenix? Phoenix is an open source SQL skin for HBase. You use the standard JDBC APIs instead of the regular HBase...

We all know that Hive is a data warehouse solution built on top of Hadoop for managing a huge amount of data stored in HDFS. It provides an SQL-like query language called HiveQL. At times, the query the user wants to write can’t be expressed easily (or at all)...