Use Case Bobsrockets Package:

• Introduction to Scala packages and imports
• The selective imports
• The Scala test classes
• Introduction to JUnit test class
• JUnit interface via JUnit 3 suite for Scala test
• Packaging of Scala applications in the directory structure
• Examples of Spark Split and Spark Scala

Introduction to Spark:

• Introduction to Spark
• Spark overcomes the drawbacks of working on MapReduce
• Understanding in-memory MapReduce
• Interactive operations on MapReduce
• Spark stack, fine vs. coarse-grained update, Spark stack, Spark Hadoop YARN, HDFS Revision, and YARN Revision
• The overview of Spark and how it is better than Hadoop
• Deploying Spark without Hadoop
• Spark history server and Cloudera distribution

Spark Basics:

• Spark installation guide
• Spark configuration
• Memory management
• Executor memory vs. driver memory
• Working with Spark Shell
• The concept of resilient distributed datasets (RDD)
• Learning to do functional programming in Spark
• The architecture of Spark

Working with RDDs in Spark:

• Spark RDD
• Creating RDDs
• RDD partitioning
• Operations and transformation in RDD
• Deep dive into Spark RDDs
• The RDD general operations
• Read-only partitioned collection of records
• Using the concept of RDD for faster and efficient data processing
• RDD action for the collect, count, collects map, save-as-text-files, and pair RDD functions

Aggregating Data with Pair RDDs:

• Understanding the concept of key-value pair in RDDs
• Learning how Spark makes MapReduce operations faster
• Various operations of RDD
• MapReduce interactive operations
• Fine and coarse-grained update
• Spark stack

Writing and Deploying Spark Applications:

• Comparing the Spark applications with Spark Shell
• Creating a Spark application using Scala or Java
• Deploying a Spark application
• Scala built application
• Creation of the mutable list, set and set operations, list, tuple, and concatenating list
• Creating an application using SBT
• Deploying an application using Maven
• The web user interface of Spark application
• A real-world example of Spark
• Configuring of Spark

Writing and Deploying Spark Applications:

• Comparing the Spark applications with Spark Shell
• Creating a Spark application using Scala or Java
• Deploying a Spark application
• Scala built application
• Creation of the mutable list, set and set operations, list, tuple, and concatenating list
• Creating an application using SBT
• Deploying an application using Maven
• The web user interface of Spark application
• A real-world example of Spark
• Configuring of Spark

Project Solution Discussion and Cloudera Certification Tips and Tricks:

• Working towards the solution of the Hadoop project solution
• Its problem statements and the possible solution outcomes
• Preparing for the Cloudera certifications
• Points to focus on scoring the highest marks
• Tips for cracking Hadoop interview questions

Hands-on Exercise:

• The project of a real-world high value Big Data Hadoop application
• Getting the right solution based on the criteria set by the Intellipaat team

Parallel Processing:

• Learning about Spark parallel processing
• Deploying on a cluster
• Introduction to Spark partitions
• File-based partitioning of RDDs
• Understanding of HDFS and data locality
• Mastering the technique of parallel operations
• Comparing repartition and coalesce
• RDD actions

Spark RDD Persistence:

• The execution flow in Spark
• Understanding the RDD persistence overview
• Spark execution flow, and Spark terminology
• Distribution shared memory vs. RDD
• RDD limitations
• Spark shell arguments
• Distributed persistence
• RDD lineage
• Key-value pair for sorting implicit conversions like CountByKey, ReduceByKey, SortByKey, and AggregateByKey

Spark MLlib:

• Introduction to Machine Learning
• Types of Machine Learning
• Introduction to MLlib
• Various ML algorithms supported by MLlib
• Linear regression, logistic regression, decision tree, random forest, and K-means clustering techniques

Hands-on Exercise:

• Building a Recommendation Engine

Integrating Apache Flume and Apache Kafka:

• Why Kafka and what is Kafka?
• Kafka architecture
• Kafka workflow
• Configuring Kafka cluster
• Operations
• Kafka monitoring tools
• Integrating Apache Flume and Apache Kafka

Hands-on Exercise:

• Configuring Single Node Single Broker Cluster
• Configuring Single Node Multi Broker Cluster
• Producing and consuming messages
• Integrating Apache Flume and Apache Kafka

Spark Streaming:

• Introduction to Spark Streaming
• Features of Spark Streaming
• Spark Streaming workflow
• Initializing Streaming Context, discretized Streams (DStreams), input DStreams and Receivers
• Transformations on DStreams, output operations on DStreams, windowed operators and why it is useful

Important windowed operators and stateful operators Hands-on Exercise:

• Twitter Sentiment analysis
• Streaming using Netcat server
• Kafka–Spark streaming
• Spark–Flume streaming

Improving Spark Performance:

• Introduction to various variables in Spark like shared variables and broadcast variables
• Learning about accumulators
• The common performance issues
• Troubleshooting the performance problems

Spark SQL and Data Frames:

• Learning about Spark SQL
• The context of SQL in Spark for providing structured data processing
• JSON support in Spark SQL
• Working with XML data
• Parquet files
• Creating Hive context
• Writing data frame to Hive
• Reading JDBC files
• Understanding the data frames in Spark
• Creating Data Frames
• Manual inferring of schema
• Working with CSV files
• Reading JDBC tables
• Data frame to JDBC
• User-defined functions in Spark SQL
• Shared variables and accumulators
• Learning to query and transform data in data frames
• Data frame provides the benefit of both Spark RDD and Spark SQL
• Deploying Hive on Spark as the execution engine

Scheduling/Partitioning:

• Learning about the scheduling and partitioning in Spark
• Hash partition
• Range partition
• Scheduling within and around applications
• Static partitioning, dynamic sharing, and fair scheduling
• Map partition with index, the Zip, and GroupByKey
• Spark master high availability, standby masters with ZooKeeper, single-node recovery with the local file system and high order functions

Hadoop Administration – Multi-node Cluster Setup Using Amazon EC2:

• Create a 4-node Hadoop cluster setup
• Running the MapReduce Jobs on the Hadoop cluster
• Successfully running the MapReduce code
• Working with the Cloudera Manager setup

Hands-on Exercise:

• The method to build a multi-node Hadoop cluster using an Amazon EC2 instance
• Working with the Cloudera Manager

Hadoop Administration – Cluster Configuration:

• Overview of Hadoop configuration
• The importance of Hadoop configuration file
• The various parameters and values of configuration
• The HDFS parameters and MapReduce parameters
• Setting up the Hadoop environment
• The Include and Exclude configuration files
• The administration and maintenance of name node, data node directory structures, and files
• What is a File system image?
• Understanding Edit log

Hands-on Exercise:

• The process of performance tuning in MapReduce

Hadoop Administration – Maintenance, Monitoring and Troubleshooting:

• Introduction to the checkpoint procedure, name node failure
• How to ensure the recovery procedure, Safe Mode, Metadata and Data backup, various potential problems and solutions, what to look for and how to add and remove nodes

Hands-on Exercise:

• How to go about ensuring the MapReduce File System Recovery for different scenarios
• JMX monitoring of the Hadoop cluster
• How use the logs and stack traces for monitoring and troubleshooting
• Using the Job Scheduler for scheduling jobs in the same cluster
• Getting the MapReduce job submission flow
• FIFO schedule
• Getting to know the Fair Scheduler and its configuration

ETL Connectivity with Hadoop Ecosystem (Self-Paced):

• How ETL tools work in Big Data industry?
• Introduction to ETL and data warehousing
• Working with prominent use cases of Big Data in ETL industry
• End-to-end ETL PoC showing Big Data integration with ETL tool

Hands-on Exercise:

• Connecting to HDFS from ETL tool
• Moving data from Local system to HDFS
• Moving data from DBMS to HDFS,
• Working with Hive with ETL Tool
• Creating MapReduce job in ETL tool

Hadoop Application Testing:

• Importance of testing
• Unit testing, Integration testing, Performance testing, Diagnostics, Nightly QA test, Benchmark and end-to-end tests, Functional testing, Release certification testing, Security testing, Scalability testing, Commissioning and Decommissioning of data nodes testing, Reliability testing, and Release testing

Roles and Responsibilities of Hadoop Testing Professional:

• Understanding the Requirement
• Preparation of the Testing Estimation
• Test Cases, Test Data, Test Bed Creation, Test Execution, Defect Reporting, Defect Retest, Daily Status report delivery, Test completion, ETL testing at every stage (HDFS, Hive and HBase) while loading the input (logs, files, records, etc.) using Sqoop/Flume which includes but not limited to data verification, Reconciliation, User Authorization and Authentication testing (Groups, Users, Privileges, etc.), reporting defects to the development team or manager and driving them to closure
• Consolidating all the defects and create defect reports
• Validating new feature and issues in Core Hadoop

Framework Called MRUnit for Testing of MapReduce Programs:

• Report defects to the development team or manager and driving them to closure
• Consolidate all the defects and create defect reports
• Responsible for creating a testing framework called MRUnit for testing of MapReduce programs

Unit Testing:

• Automation testing using the OOZIE
• Data validation using the query surge tool

Test Execution:

• Test plan for HDFS upgrade
• Test automation and result

Test Plan Strategy and Writing Test Cases for Testing Hadoop Application:

• Test, install and configure

• Hadoop/Big Data Developer
• Hadoop Administrator.
• Data Engineer
• Big Data Architect

• Machine Learning Engineer
• Software Development Engineer
• Big data Engineer
• Big Data Consultant