MapReduce Basics

• Inputs and Outputs
• Mapper
• Reducer
• Partitioner
• Reporter
• OutputCollector

MapReduce Job Configuration

• MapReduce Task Execution & Environment
• Memory Management
• Map Parameters
• Shuffle/Reduce Parameters
• Directory Structure
• Task JVM Reuse
• Configured Parameters
• Task Logs
• Distributing Libraries

MapReduce Job Submission and Monitoring

• Job Authorization
• Job Control
• Job Credentials

MapReduce Job Input

• InputSplit
• RecordReader

MapReduce Job Output

• OutputCommitter
• Task SideLesson Effect Files
• RecordWriter

MapReduce Other Useful Features

• Submitting Jobs to Queues
• Counters
• DistributedCache
• Tool
• IsolationRunner
• Profiling
• Debugging
• JobControl
• Data Compression

MapReduce User Commands

• archive
• archiveLesson logs
• classpath
• distcp
• job
• pipes
• queue
• version
• envvars

MapReduce Administration Commands

• historyserver
• hsadmin
• frameworkuploader

Apply for certification

https://www.vskills.in/certification/big-data/mapreduce-certification