Yarn (Yet Another Resource Negotiator) - Hadoop Operating System

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1 - About

Yarn can be seen as the distributed operating system of Hadoop where all apps are build on top of it.

Image comes from Hortonworks

YARN was originally proposed (MR-279) and architected by one of the HortonWorks founders, Arun Murthy.

Yarn is the NextGen MapReduce (2.x). It maintains API compatibility with previous stable release (hadoop-1.x). All application should still run unchanged on top of YARN with just a recompile.

Yarn is able to run map reduce application but it is also possible to write other types of applications (having nothing to do with MapReduce). See Yarn - Application (app)

Hadoop YARN is part of Hadoop core and has as leader component the resource Manager. See Yarn - Architecture / Topology / Components


3 - Documentation / Reference

db/hadoop/yarn/start.txt · Last modified: 2018/11/16 13:27 by gerardnico