05. Apache Spark Fundamentals

Apache Spark is a unified analytics engine for large-scale data processing, offering significant performance improvements over traditional MapReduce through in-memory computing and advanced optimization techniques.

Learning Objectives

Key Topics

  1. Spark Core Architecture
    • Driver and executor processes
    • Cluster managers (Standalone, YARN, Mesos, Kubernetes)
    • Spark Context and Spark Session
    • Memory management and caching
  2. RDD Programming Model
    • Creating RDDs from data sources
    • Transformations vs Actions
    • Lazy evaluation and lineage
    • Partitioning and data locality
  3. Performance and Optimization
    • In-memory computing advantages
    • Catalyst optimizer
    • Tungsten execution engine
    • Broadcast variables and accumulators