Mesmerizing facts about big dataTop 6 Big Data Tools You Must Look At

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    Top 6 Big Data Tools You Must Look At

    It’s cliché to mention how quickly the technology evolves. Java has been there for more than two decades in the technology domain as the most “love to hate” technologies out there. If you look closely across the broad spectrum of programming languages, operating systems, and databases, little has changed over the past few years. With the evolution of new technology space with big data and IoT, we can see much advancement.

    However, Java is still the backbone for many big data tools for Java developers. In fact, it is the natural fit for the Big data as some of the core modules of big data tools for Java developers are written in Java. More interestingly most of these big data tools for Java developers are open source. Hence, they are easy to access.

    In this blog, we will discuss the usefulness of Java for Big data tools and its future. Also, we will focus on big data tools which are mainly based on Java APIs.

    What is the future of Java in Big Data?

    Although Java has many reasons for not to like it, still programmers turn to it as they find many reasons to learn it. Let’s go over some of the reasons why people want to use it:

    • Simplicity: As an Object-oriented language Java offers quite an easy user experience for developers as well as end users. Java’s inbuilt design is its most significant advantage when compared with other similar object-oriented programming languages. Unlike C++ it has removed the use of pointers and interface.
    • Portability: Java runtime can be run anytime and anywhere. Hence, you can run Java on any hardware and software platform.
    • Allocation: Java has a stack provisioning feature which helps to re-establish quickly. Moreover, Java has the potential for garbage collection and automatic memory distribution.
    • Distributive: Java is highly networking competent. Usually, Java receives and sends files informally.
    • Extremely secure: Java enforces strong security standards with safe programming.

    Now, let’s see where Java fits with big data in reality.

    Nowadays the amount of data produced every day shows exponential growth. Moreover, analyzing such vast amount of data will only continue to increase over the period as well. Batch data processing is a realistic way of analyzing such vast data, and this is mostly done using open source tools like Hadoop and Spark.

    Interestingly most of the open source big data tools are Java based. One of the key reasons behind it is the root of Java is deeply ingrained in open-source communities. Hence, a huge amount of Java code is publicly available, and with these readily available code foundations like Apache, Google is hugely contributing in making open source big data tools.

    For the most prominent big data tool Hadoop, Java is the language. Hence, it is easy for Java developers to learn Hadoop. The fact is learning some of the big data tools are almost similar to learning a new API for Java developers.

    Not only Hadoop, but Pig is also another big data tools for Java developers which they can learn easily as Pig Latin uses JavaScript.

    Best Open Source Big Data Tools for Java Developers in Market

    No doubt, future of big data is Java. There are numerous big data tools for Java developers in the market, and most of them are open source from Apache. Here we have sorted out some of them which are mostly used big data tools for Java developers.

    1. Apache Hadoop

    Hadoop is a Java subproject and mostly used big data tools. It is an Apache Software Foundation tool which was later donated by Yahoo! It is a free, Java-based programming framework which processes large datasets in a distributed computing environment. In addition to that, you can easily install it on a cluster of standard machines. Hadoop has become very successful in companies for storing massive data in one system and performing analysis on this data. Hadoop runs in master/slave architecture. The master controls the running of the entire distributed computing stack.

    Hadoop has an entire ecosystem of software built around it.

    1. Apache Spark

    Apache Spark works similar to Hadoop MapReduce framework and is getting more popular than MapReduce for big data processing. Spark is a cluster computing framework and can run on thousands of machines. Furthermore, it can run on a cluster of distributed computers on the massive datasets across these computers and combine the results. Spark stands on the concept of RDD (Resilient Distributed Dataset).

    Spark is used in large ETL (extract, transform, and load) operation, predictive analytics, and reporting applications. A Spark program would do the following:

    1. It loads some data into the RDD.
    2. Performs the transformation on data to make it compatible for handling your operations.
    3. Cache the reusable data across sessions (by using persist).
    4. Do some readymade or custom operations on the data.


    The underlying language used for Spark is Scala, which inherently is written in Java. Hence, Java is the building block of the Apache Spark stack and is fully supported by all its products. Apache Spark stack has an extensive Java API. Thus, Apache Spark is one of the easily adopted big data tools for Java developers as they can easily pick up it.

    Here are some of the Spark APIs that Java developers can easily use for big data purpose:

    • The core RDD frameworks along with its functions
    • Spark SQL code
    • Spark Streaming code
    • Spark MLlib algorithm
    • Spark GraphX library


    1. Apache Mahout

    Apache Mahout is open source big data tool and a popular Java ML library. It consists of scalable machine learning algorithms some of which are used for:

    • Recommendations
    • Clustering
    • Classifications


    Some important features of Mahout are as follows:

    • Its algorithms run on Hadoop. Hence, they work well in a distributed environment
    • It has inbuilt MapReduce implementations of several ML algorithms
    1. Java JFreechart

    Data visualization is an important task in big data analysis. As big data deals with huge amount of data; hence, it is challenging to find out trend by just looking out raw data. However, when the same data is plotted on a chart, it becomes more comprehensible and easy to identify the patterns and relationships within data.

    JFreechart is one of the popular open source big data tools for Java developers with libraries built in Java which helps in making charts.

    We can build different charts to visualize data with the help of this library such as –

    • Pie charts
    • Bar charts
    • Single and multiple time series charts
    • Line charts
    • Scatter Plots
    • Box plots
    • Histogram

    JFreechart not only builds the axis and legends in the charts but also provides automatic zooming features into the charts with a mouse. However, it is useful for simple chart visualizations.

    1. Deeplearning4j

    Deeplearning4j is a Java library which is used to build different types of neural networks. Furthermore, we can integrate it with Apache Spark on the big data stack and can even run on GPUs. This is the only open source big data tools for Java developers which have main Java library out with a lot of built-in algorithms focusing on deep learning. Moreover, it has a very good online community with good documentation.


    • Distributed GPUs and CPUs
    • Java, Python and Python APIs
    • Supports micro-service architecture
    • Scalable on Hadoop
    • GPU support for to scale up on AWS
    1. Apache Storm

    This is ideal for Java streaming applications and among popular big data tools for Java developers.

    Apache Storm has many advantages, and some of its key features are –

    • User-friendly
    • Free and open source
    • Ideal for both small and large scale implementations
    • Highly fault tolerant
    • Reliable
    • Extremely fast
    • Performs real-time processing
    • Scalable
    • Performs dynamic load balancing and optimization using operational intelligence

    Apache Storm architecture has two main components:

    • Master node (Nimbus)
    • Worker nodes (Supervisor)


    Individual worker node runs a daemon which is called “Supervisor.” The Nimbus controls the worker nodes and as per that the supervisor node listens for assigned work and starts and stops worker processes accordingly. Every worker process is associated with a subset of topology which consists of many worker processes. The entire coordination between Nimbus and Supervisors is performed using Zookeeper cluster.

    Bottom Line

    As big data is evolving every day, new tools are coming into the picture. Among the big data tools for Java developers, no doubt, Hadoop is the best one. It’s the Bible of Big data. Hence, before you learn any other Big data tools, knowing Hadoop is the must.

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