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Analytics
Counting and aggregating huge event streams for reports and dashboards.
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System design
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Staff
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Storage and indexes
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Queues and streams
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4 pages
Design an ad click aggregator
System design · Staff · 25 min
Queues and streams
Design a metrics system
System design · Staff · 25 min
Observability
Storage and indexes
Design YouTube
System design · Staff · 33 min
Files and media
Data modelling
OLTP vs OLAP
Articles · Core · 8 min
Storage and indexes
