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Spark Architecture - Components include Driver, Executors, Cluster Manager, and Tasks

Spark/Big Datahard2.5 min readPremium
Frequency
Low
Asked at 1 company
Category
452
questions in Spark/Big Data
Difficulty Split
88E|81M|283H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Presidio
Key Concepts Tested
optimizationpartitionspark
Expert AnswerPremium
504 wordsIncludes code examplesInterview-ready
**Section 1 — The Context (The 'Why')** Spark: Driver, Executors, Cluster Manager, Tasks. Driver builds DAG; executors process data. Sizing driver same as executors wrong. AQE helps skew. **Section 2 — The Diagram** ``` [Driver] --> [DAG] | v [Cluster Mgr] YARN | K8s | v [Executors] [Tasks] ``` **Section 3 — Component Logic** **Driver** builds DAG; does not process data. **Cluster Manager** allocates. **Executors** 4 cores, 8GB. AQE for skew....
The complete answer continues with detailed implementation patterns, architectural trade-offs, and production-grade considerations. It covers performance optimization strategies, common pitfalls to avoid, and real-world examples from companies like Presidio. The answer also includes follow-up discussion points that interviewers commonly explore.

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