Design Nearby Friends at scale — requirements, capacity, and trade-offs.
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KEEP THE
hardSystem Design
How would you design Nearby Friends?
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01
Understand the problem
system-designcase-study
02
Attempt it yourself
Sketch your approach before reading the solution — that's what interviews test.
Nudge consolestandby
Stuck? Beam a request up — the console returns a conceptual nudge that guides your logic without spoiling the implementation.
03
Study the solution
Design Nearby Friends
Show friends within r km, updating as users move — write-heavy location + read-heavy geosearch.
Solution ready — 2 min read
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04
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Transmission complete // awaiting log
KEEP THE
STREAK ALIVE.
Dossier 88 of 99 decoded in the System Design track. One more won't hurt.