Lenora  Hauck

Lenora Hauck


What Is HBase in Hadoop NoSQL?

HBase is a column-oriented data store that sits on top of the Hadoop Distributed File System and provides random data lookup and updates for big data consultants. Hadoop Distributed File System is based on “Write Once Read Many” architecture which means that files once written to HDFS storage layer cannot be modified but only be read any number of times. However, HBase provides a schema on top of the HDFS files to access and update these files any number of times.

HBase Characteristics

Strong Consistency

HBase provides strong consistency for both Read/Write which means you will always get the latest data in a read operation and also write operation will not be completed unless all the replicas have been updated.

Horizontally scalable

HBase provides automatic sharding using the concepts of regions, which are distributed over the cluster. Whenever the table size becomes too large to accommodate the data, it is auto sharded and distributed among multiple machines.


HBase provides automatic region failover in case of failures.

HDFS/MapReduce Integration

HBase is based on top of HDFS and can be integrated with MapReduce programs to act as a source and sinks.

#big data #hbase #shell commands

What is GEEK

Buddha Community

What Is HBase in Hadoop NoSQL?

What is the cost of Hadoop Training in India?

Hadoop is an open-source setting that delivers exceptional data management provisions. It is a framework that assists the processing of vast data sets in a circulated computing habitat. It is built to enhance from single servers to thousands of machines, each delivering computation, and storage. Its distributed file system enables timely data transfer rates among nodes and permits the system to proceed to conduct unbroken in case of a node failure, which minimizes the risk of destructive system downfall, even if a crucial number of nodes become out of action. Hadoop is very helpful for massive scale businesses founding on its proven usefulness for enterprises given below:

Benefits for Enterprises:

● Hadoop delivers a cost-effective storage outcome for a business.
● It promotes businesses to handily access original data sources and tap into numerous categories of data to generate value from that data.
● It is a highly scalable storage setting.
● The distinctive storage procedure of Hadoop is established on a distributed file system that basically ‘maps’ data wherever it is discovered on a cluster. The tools for data processing are often on similar servers where the data is located, occurring in the much faster data processing.
● Hadoop is now widely operated across enterprises, including finance, media and entertainment, government, healthcare, information services, retail, and other commerce
● Hadoop is fault tolerance. When data is delivered to an individual node, that data is also reproduced to other nodes in the cluster, which implies that in the event of loss, there is another copy accessible for usage.
● Hadoop is more than just a rapid, affordable database and analytics device. It is composed of a scale-out architecture that can affordably reserve all of a company’s data for later usage.

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Demand for Hadoop:

Low expense enactment of the Hadoop forum is tempting the corporations to acquire this technology more conveniently. The data management enterprise has widened from software and web into retail, hospitals, government, etc. This builds an enormous need for scalable and cost-effective settings of data storage like Hadoop.
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Improve your career progress by discovering the most strenuous technology i.e. Big Data Hadoop Course from the industry-certified experts of Best Big Data Hadoop Online Training. So, choose KVCH the best coaching center and get advanced course complete certification with 100% Job Assistance.

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akshay L

akshay L


Hadoop vs Spark | Hadoop MapReduce vs Spark

In this video on Hadoop vs Spark you will understand about the top Big Data solutions used in the IT industry, and which one should you use for better performance. So in this Hadoop MapReduce vs Spark comparison some important parameters have been taken into consideration to tell you the difference between Hadoop and Spark also which one is preferred over the other in certain aspects in detail.

Why Hadoop is important

Big data hadoop is one of the best technological advances that is finding increased applications for big data and in a lot of industry domains. Data is being generated hugely in each and every industry domain and to process and distribute effectively hadoop is being deployed everywhere and in every industry.

#Hadoop vs Spark #Apache Spark vs Hadoop #Spark vs Hadoop #Difference Between Spark and Hadoop #Intellipaat

Top 12 Real Time Big Data Hadoop Applications

In this article, you will study various applications of hadoop. The article enlists real-time use cases of Apache Hadoop. Hadoop technology is used by many companies belonging to different domains. The article covers some of the top applications of Apache Hadoop.

#Hadoop Tutorials #applications of hadoop #Hadoop applications #hadoop use cases

What is NoSQL? The 4 Best NoSQL Databases Explained

What is NoSQL? The 4 Best NoSQL Databases Explained | Apache Cassandra, HBase, MongoDB, Neo4j

Traditionally, the Structured Query Language or SQL have been the most popular and common type of databases. They rose to popularity in the 70’s, at a time when storage was extremely expensive – but then again, so were computers. Software engineers needed a way to normalize their databases to reduce data duplication and more efficiently use what little storage they had.

Eventually, technology outgrew the SQL database. A new type, dubbed NoSQL, was born. Now, this term has a double meaning, either “non-SQL” or “not only SQL” – subtly different. But either way, NoSQL databases store data in a format other than relational tables so both terms fall under the same umbrella.

The NoSQL database made an appearance as the cost of data storage per megabyte started to plummet. Technology was advancing, drives were increasing in capacity and also dropping in price. There was a shift – the primary cost of software development wasn’t storage anymore; it was the developers themselves. This shift filtered down into the way databases work, going from being focused on reducing data duplication to a better model to optimize developer productivity – hence why it’s used today.

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00:00 - Intro (what is NoSQL)
02:38 - SQL vs NoSQL
03:56 - Why NoSQL
05:39 - Apache Cassandra / CassDB
06:45 - Apache HBase
08:16 - MongoDB
09:27 - Neo4j

Blog article version: https://www.kofi-group.com/what-is-nosql-the-4-best-nosql-databases-explained/

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#nosql #cassdb #hbase #mongodb #neo4j #kofigroup #startup #faang

#nosql #apache cassandra #hbase #mongodb #neo4j

Sadie  Cassin

Sadie Cassin


Hadoop Single Node Cluster on Docker

This tutorial will show to get a Hadoop Single Node Cluster using Docker, we are going to from docker image building to run a container with an environment with Hadoop 3.3.0 configured as a single node cluster.

Creating the Hadoop image

$ git clone  https://gitlab.com/rancavil/hadoop-single-node-cluster.git
$ cd hadoop
$ docker build -t hadoop 

To run and create a container execute the next command:

To run and create a container execute the following command:

$ docker run -it — name <container-name> -p 9864:9864 -p 9870:9870 -p 8088:8088 — hostname <your-hostname> hadoop

Change container-name by your favorite name and set your-hostname with your IP or name machine. You can use localhost as your-hostname

When you run the container, will be executed the docker-entrypoint.sh shell that creates and starts the Hadoop environment.

You should get the following prompt:


You’re ready to start to play with Hadoop.

Checking our Hadoop environment

To check if the Hadoop container is working go to the URL in your browser.

#docker #hadoop-docker #big-data #hadoop-training #hadoop