Paths / System design
Learning path · HLD
System design. Read it like a trace. Every problem is a span, and the short spans before it are the only pages it needs that you haven't read yet, each after what it builds on. Easiest problems first, so the first one comes within the hour.
Continue How to approach a system design trace path/system-design
spans 35 problems · 119 pages
duration 41h 13m
done 0 of 123
first problem at 1h 57m
next problem in 1h 57m 4h 12h all
Span 0 30m 1h 1h 30m 2h 2h 30m 3h 3h 30m 4h
#1 Scale From Zero to Millions 13 new 20 min to solve How to approach a system design 11 min What happens to one request 9 min Estimation, capacity & cost 7 min How data moves across a network 8 min HTTP 7 min Scalability 8 min Stateless services & sessions 10 min Load balancing 9 min Autoscaling 11 min Caching strategies 10 min Content delivery networks (CDNs) 9 min In-memory data-structure stores 9 min Database replication 9 min #2 Unique ID generator planned 5 new easy · not built yet #3 Pastebin 13 new at 5h 51m → #4 URL Shortener 6 new at 7h 14m → #5 Image hosting planned at 7h 39m → #6 Login and authentication planned 1 new at 8h 10m → #7 Online judge planned 2 new at 8h 49m → #8 Rate Limiter 2 new at 9h 28m → #9 Distributed cache planned 2 new at 10h 17m → #10 Notification service planned 2 new at 11h 8m → #11 Job scheduler planned 2 new at 11h 58m → #12 Message queue planned 2 new at 12h 46m → #13 News feed planned 4 new at 13h 58m → #14 Chat app planned 4 new at 15h 8m → #15 Live comments planned at 15h 38m → #16 Search typeahead planned 4 new at 16h 50m → #17 Web crawler planned 3 new at 17h 51m → #18 Multiplayer game and matchmaking planned at 18h 21m → #19 Netflix planned 8 new at 20h 13m → #20 Ticketmaster planned 3 new at 21h 35m → #21 Google Drive planned 4 new at 23h 3m → #22 Collaborative editor planned 2 new at 24h 10m → #23 Ride hailing planned 4 new at 25h 38m → #24 Payment system planned 5 new at 27h 27m → #25 E-commerce (Design Amazon) planned at 28h 12m → #26 Distributed key-value store planned 5 new at 29h 44m → #27 Object storage (S3) planned at 30h 29m → #28 Search engine planned at 31h 14m → #29 Metrics and monitoring planned 8 new at 33h 20m → #30 Google Maps planned at 34h 5m → #31 Video calls planned at 34h 50m → #32 Stock exchange planned 1 new at 35h 46m → #33 Recommendations planned 5 new at 37h 26m → #34 API platform at scale planned 5 new at 39h → #35 Secure multi-tenant SaaS planned 4 new at 40h 28m → Systems, classes and algorithms you can watch run, one idea at a time.
now go break something.
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