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Can anyone tell me what are the Hadoop ecosystem components?

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The following are the components that collectively form a Hadoop ecosystem:

HDFS: Hadoop Distributed File System

YARN: Yet another Resource Negotiator

MapReduce: Programming based Data Processing

Spark: In-Memory data processing

PIG, HIVE: Query based processing of data services

HBase: NoSQL Database

Mahout, Spark MLLib: Machine Learning algorithm libraries

Solar, Lucene: Searching and Indexing

Zookeeper: Managing cluster

Oozie: Job Scheduling

If you want to learn Hadoop, I recommend this Hadoop Training program by Intellipaat.

You can check out this video to understand Hadoop ecosystem in-detail:

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