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    Home » Hadoop Architecture | Complete Overview of Hadoop
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    Hadoop Architecture | Complete Overview of Hadoop

    ravikumarBy ravikumarNovember 27, 2022No Comments5 Mins Read
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    Hadoop Architecture
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    Introduction: Using straightforward programming techniques, the open-source framework Hadoop enables the distributed processing of massive data volumes across clusters of computers. From a single server to thousands of devices, each providing local computing and storage, it is intended to scale up. The Hadoop Distributed File System (HDFS) and the MapReduce programming style are the two main parts of Hadoop.

    What is Hadoop?

    Hadoop is a big data processing tool that can handle large amounts of data. It is an open-source project that was started by the Apache Software Foundation. Hadoop can be used for a variety of tasks such as data mining, web indexing, and log analysis.

    Hadoop is a collection of open-source software made for storing and analyzing large amounts of data on a network of inexpensive servers. Hadoop is frequently used for data mining, web crawling, and log analysis jobs.

    The biggest advantage of using Hadoop is that it is highly scalable and can handle very large data sets. Another benefit is that it is relatively easy to set up and use.

    There are some potential drawbacks to using Hadoop as well. One is that it can be slower than other data processing tools when dealing with smaller data sets. Another potential issue is that Hadoop requires a lot of disk space for storing the data sets.

     If you are an individual interested in Hadoop our Hadoop Training In Hyderabad will definitely enhance your career.

    Overview of Hadoop Architecture

    Hadoop is an open-source software framework for storing and processing big data. It uses a distributed file system that can scale up to petabytes of data. Hadoop also has a map-reduce programming model that can be used to process and analyze large data sets.

    The Hadoop architecture consists of two main components: the distributed file system and the map-reduce programming model. The distributed file system is responsible for storing and managing the data. The map-reduce programming model is responsible for processing and analyzing the data.

    The Hadoop architecture is designed to be scalable, reliable, and flexible. It can be used to process and analyze a wide variety of data types.

    The Hadoop Distributed File System (HDFS)

    The Hadoop Distributed File System is a scalable, fault-tolerant file system designed for use on commodity hardware. HDFS provides high throughput access to application data and is suitable for applications that have large data sets.

    HDFS is designed to run on commodity hardware, which means that it can be deployed on a cluster of inexpensive servers. HDFS is highly scalable and can support billions of files. HDFS is also fault tolerant, meaning that if one node in the cluster goes down, the data remains accessible.

    The Hadoop YARN Resource Manager

    Hadoop YARN is the resource manager in Hadoop 2.x. It was introduced in 2012 and has been a key component of the Hadoop ecosystem since then.

    YARN is responsible for allocating resources to applications running on a Hadoop cluster and scheduling tasks to run on those nodes. It provides APIs that allow developers to create their own custom schedulers and plugs into the existing Hadoop ecosystem.

    YARN has made it possible for Hadoop to become more than just a MapReduce platform. It now supports a wide variety of workloads, including batch processing, streaming data, interactive SQL, and machine learning.

    The Hadoop MapReduce Framework

    The Hadoop MapReduce framework is a powerful tool for processing large data sets. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage. MapReduce has been used to process petabytes of data by some of the largest companies in the world, including Facebook, Yahoo, and IBM

    MapReduce is a two-stage processing model. In the first stage, the Map phase, input data is divided into small chunks and processed by mapper nodes in parallel. In the second stage, the Reduce phase, the output of the Map phase is combined and processed by reducer nodes in parallel. The output of the Reduce phase is typically a smaller dataset that can be stored more efficiently or used for further analysis

    Advantages of Hadoop

    With the help of an open-source framework called Hadoop, big data volumes may be processed in parallel across groups of inexpensive machines. From a single server to thousands of devices, each providing local computing and storage, it is intended to scale up. Hadoop has many advantages over traditional relational database management systems (RDBMS), including:

    1. Increased Scalability – Hadoop can scale horizontally to accommodate larger data sets and more users by adding nodes to a cluster. This is in contrast to RDBMSs which can only scale vertically by upgrading hardware.
    2. Cost-Effectiveness – Hadoop clusters can be built using commodity hardware, which leads to significant cost savings compared to RDBMSs which require expensive, proprietary hardware. In addition, the open-source nature of Hadoop means that there are no licensing fees associated with its use.

    disadvantages of Hadoop

    There are a few potential disadvantages to using Hadoop, which include:

    1. Hadoop can be complex to install and configure.
    2. Hadoop requires a lot of hardware resources, which can be expensive.
    3. Hadoop may not be suitable for all types of data processing tasks.

    Conclusion: In conclusion, Hadoop is a scalable, Fault Tolerant, distributed file system and processing environment designed to handle very large data sets in a parallel, distributed manner on low-cost commodity hardware. Hadoop has many advantages over traditional Relational Database Management Systems including scalability, flexibility, reliability, and performance

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