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Hadoop cheat sheet & developer notes

Hadoop cheat sheet and 2 curated developer notes — core concepts, patterns, and interview prep. Maintained by the DevRecall team.

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01 · Hadoop

HDFS & MapReduce

Hadoop: HDFS & MapReduce. Apache Hadoop is an open-source framework for distributed storage (HDFS) and processing (MapReduce/YARN) of large datasets across clusters of commodity hardware. It underpins the "big data" ecos…

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02 · Hadoop

YARN, Ecosystem & Modern Alternatives

Hadoop: YARN, Ecosystem & Modern Alternatives. YARN (Resource Manager). YARN (Yet Another Resource Negotiator) decouples resource management from application logic. It allows running diverse workloads (MapReduce, Spark, …

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