LinkedInSystem DesignMembers
News Feed / Timeline
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Design a ranked news feed for a read-heavy social product with seconds-level freshness. Use a hybrid fan-out strategy, lightweight per-user inboxes, asynchronous celebrity delivery, bounded history, t...
SWE
feed
fan-out
ranking
caching
queueing
data-modeling
scaling
medium
Frequency
Single report
Last asked
2026-08-16
Stage
onsite-system-design
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