Hadoop Limitations Hadoop is a popular open-source distributed computing framework for big data processing. It is used by many organizations to process and analyze large datasets. However, Hadoop also has some limitations that users should be aware of. Small File Problem Hadoop is not well-suited for processing small files. This is because Hadoop stores files … Read more
Introduction The Hadoop ecosystem is a collection of open-source software projects that provide a framework for distributed storage and processing of large datasets. The core components of the Hadoop ecosystem are: In addition to these core components, the Hadoop ecosystem includes a number of other projects that provide additional functionality, such as Hive, Pig, and … Read more
Sqoop in Hadoop Sqoop is an Apache Hadoop tool that enables efficient bulk data transfer between Apache Hadoop and relational databases. It is a powerful tool that can be used to load and export data between Hadoop and a variety of relational databases, including MySQL, Oracle, PostgreSQL, and SQL Server. Sqoop works by using JDBC … Read more
ZooKeeper in Hadoop ZooKeeper is a distributed coordination service that provides a variety of features, including: ZooKeeper is used in a variety of distributed systems, including Hadoop. In Hadoop, ZooKeeper is used to coordinate the activities of the NameNode, DataNodes, and ResourceManager. How ZooKeeper works in Hadoop ZooKeeper is implemented as a distributed ensemble of … Read more
What is Apache Oozie Apache Oozie is a workflow scheduler system for Apache Hadoop. It is a Java Web application that runs on a Java servlet container. Oozie coordinates the execution of Hadoop jobs, Pig jobs, Hive jobs, and shell scripts in a sequential order. It can also be used to schedule jobs based on … Read more
Introduction Apache Mahout is a scalable machine learning library that runs on top of Apache Hadoop. It provides a variety of algorithms for recommendation mining, clustering, classification, and frequent item-set mining. Mahout is designed to be scalable and efficient, making it ideal for processing large datasets on distributed clusters. How Mahout Works with Hadoop Mahout … Read more
Pig in Hadoop Pig is a programming platform for creating MapReduce programs on Hadoop. It provides a high-level abstraction over MapReduce, making it easier to write and maintain MapReduce programs. Pig is especially well-suited for data analysis and machine learning applications. What is Pig Pig is a high-level programming language for creating MapReduce programs on … Read more
HCatalog HCatalog is a table and storage management layer for Hadoop that enables users with different data processing tools — Pig, MapReduce — to more easily read and write data on the grid. It provides a consistent interface between these tools and the Hive metastore, which stores information about the tables and partitions in a … Read more
Hive Apache Hive is a data warehouse software project built on top of Apache Hadoop for providing data query and analysis. Hive gives an SQL-like interface to query data stored in various databases and file systems that integrate with Hadoop. Features of Hive Uses of Hive Hive is used by a variety of organizations, including: … Read more
Apache HBase Apache HBase is an open-source, distributed, versioned, column-oriented NoSQL database modeled after Google’s Bigtable. It is developed as part of the Apache Software Foundation’s Apache Hadoop project and runs on top of the Hadoop Distributed File System (HDFS). HBase is designed to store and manage large amounts of data that are too large … Read more
