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Course Outline
Section 1: Introduction to Hadoop
- Hadoop history and core concepts
- Ecosystem overview
- Distributions
- High-level architecture
- Common myths about Hadoop
- Challenges in Hadoop
- Hardware and software requirements
- Lab: First look at Hadoop
Section 2: HDFS
- Design and architecture
- Core concepts (horizontal scaling, replication, data locality, rack awareness)
- Daemons: Namenode, Secondary namenode, Data node
- Communications and heartbeats
- Data integrity
- Read and write paths
- Namenode High Availability (HA) and Federation
- Labs: Interacting with HDFS
Section 3 : Map Reduce
- Concepts and architecture
- Daemons (MRV1): jobtracker and tasktracker
- Phases: driver, mapper, shuffle/sort, reducer
- MapReduce Version 1 and Version 2 (YARN)
- Internals of MapReduce
- Introduction to Java MapReduce programs
- Labs: Running a sample MapReduce program
Section 4 : Pig
- Pig versus Java MapReduce
- Pig job flow
- Pig Latin language
- ETL with Pig
- Transformations and joins
- User-defined functions (UDF)
- Labs: Writing Pig scripts to analyze data
Section 5: Hive
- Architecture and design
- Data types
- SQL support in Hive
- Creating Hive tables and querying
- Partitions
- Joins
- Text processing
- Labs: Various labs on processing data with Hive
Section 6: HBase
- Concepts and architecture
- HBase versus RDBMS versus Cassandra
- HBase Java API
- Time series data on HBase
- Schema design
- Labs: Interacting with HBase using the shell; programming in the HBase Java API; Schema design exercise
Requirements
- Proficiency in the Java programming language (as most programming exercises are conducted in Java)
- Familiarity with the Linux environment (ability to navigate the Linux command line and edit files using vi or nano)
Lab environment
Zero Install : No need to install Hadoop software on your personal machine! A fully functional Hadoop cluster will be provided for you.
Students will need the following
- an SSH client (Linux and Mac come with ssh clients pre-installed; Putty is recommended for Windows)
- a browser to access the cluster, with Firefox being the recommended choice
28 Hours
Testimonials (1)
Hands on exercises. Class should have been 5 days, but the 3 days helped to clear up a lot of questions that I had from working with NiFi already