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Hadoop notes for developers

Master Hadoop with a curated set of 2 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" ecosy…

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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, Fl…

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