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Explain the architecture of Databricks, including the control plane and data plane.

Spark/Big Datahard3.3 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
TCS
Key Concepts Tested
optimizationpartition
Expert AnswerPremium
660 wordsIncludes code examplesInterview-ready
**Section 1 — The Context (The 'Why')** Databricks separates the control plane (workspace, jobs, clusters config) from the data plane (your VPC, S3/ADLS, compute). This split enables compliance—data never leaves the customer cloud—but creates confusion. Teams often assume Databricks hosts data, leading to wrong compliance answers....
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 TCS. The answer also includes follow-up discussion points that interviewers commonly explore.

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