Apache Spark Optimizer Overview Analyzes and optimizes Apache Spark jobs for performance, cost, and resource utilization. This skill provides deep expertise in Spark execution plans, partitioning strategies, and resource configuration to maximize efficiency. Capabilities - Spark execution plan analysis and optimization - Partition strategy recommendations - Shuffle reduction techniques - Memory and executor configuration tuning - Catalyst optimizer hints generation - Data skew detection and mitigation - Broadcast join optimization - Caching strategy recommendations Input Schema Output Schema…