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RAM Working Principles

General/Othereasy0.3 min readPremium
Frequency
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Asked at 1 company
Category
243
questions in General/Other
Difficulty Split
151E|43M|49H
in this category
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1,863
across 7 categories
Asked at these companies
ZS Associates
Key Concepts Tested
spark
Expert AnswerPremium
56 wordsInterview-ready
RAM: Volatile, byte-addressable storage; faster than SSD; CPU accesses via memory controller; data in cache lines. DRAM (capacitors) vs. SRAM (flip-flops). WHY FOR DE: Spark, Pandas rely on memory; exceeding it causes spill and GC pressure. SCALABILITY: Cluster memory limits parallelism; monitor OOM and GC....
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