Learning Big Data and Hadoop involves understanding distributed computing and storage systems. Here’s a suggested roadmap for Big Data and Hadoop training:

Basics:

1. Introduction to Big Data:

   • Understand what Big Data is and why it is important. Learn about the three Vs: Volume, Velocity, and Variety.

2. Introduction to Hadoop:

   • Learn about Apache Hadoop, an open-source framework for distributed storage and processing of large data sets.

Core Hadoop Components:

3. Hadoop Distributed File System (HDFS):

   • Understand the Hadoop Distributed File System and its architecture. Learn how data is stored and replicated across nodes.

4. MapReduce:

   • Learn the MapReduce programming model, a core concept in Hadoop for processing large datasets in parallel.

Hadoop Ecosystem:

5. Apache Hive:

   • Explore Apache Hive, a data warehouse infrastructure built on top of Hadoop. Understand HiveQL, the SQL-like language used for querying data.

6. Apache Pig:

   • Learn Apache Pig, a high-level scripting language for creating MapReduce programs used for data processing in Hadoop.

7. Apache HBase:

   • Understand Apache HBase, a NoSQL database that provides real-time read/write access to large datasets. Learn about its architecture and use cases.

8. Apache Sqoop:

   • Explore Apache Sqoop for transferring data between Hadoop and relational databases. Learn about import/export tasks.

9. Apache Flume:

   • Learn Apache Flume for collecting, aggregating, and moving large amounts of log data into Hadoop.

10. Apache Oozie:

    • Understand Apache Oozie for workflow coordination and management in Hadoop. Learn how to create and schedule workflows.

11. Apache ZooKeeper:

    • Explore Apache ZooKeeper for distributed coordination and synchronization in Hadoop. Understand its role in maintaining configuration information.

Advanced Topics:

12. YARN (Yet Another Resource Negotiator):

    • Learn about YARN, the resource management layer of Hadoop. Understand its role in managing resources and scheduling tasks.

13. Hadoop Security:

    • Understand security considerations in Hadoop. Learn about authentication, authorization, and data encryption.

14. Performance Tuning:

    • Learn techniques for performance tuning in Hadoop. Understand how to optimize MapReduce jobs and HDFS for better efficiency.

Real-world Applications:

15. Case Studies:
    • Explore real-world case studies and use cases of organizations successfully implementing Big Data solutions with Hadoop.

Continuous Learning:

16. Stay Updated:

    • Keep yourself updated on the latest developments in the Hadoop ecosystem and Big Data technologies.

17. Community Engagement:

    • Join Big Data and Hadoop communities. Participate in forums, conferences, and online discussions to stay connected with industry trends.

Hands-on Projects:

18. Build Projects:
    • Apply your knowledge by working on hands-on projects. Build data processing pipelines, analyze large datasets, and implement solutions using Hadoop.

Certification (Optional):

19. Hadoop Certification:
    • Consider pursuing Hadoop certifications from reputable organizations. Certifications can validate your skills and enhance your professional profile.

Additional Technologies (Optional):

20. Spark and Flink:

    • Explore Apache Spark and Apache Flink, which are popular alternatives or complementary frameworks to Hadoop for large-scale data processing.

21. Containerization and Orchestration:

    • Learn about containerization with Docker and container orchestration with Kubernetes. Understand how these technologies complement Big Data processing.