Top Tweets for #60DaysOfSystemDesign
9/9 — My System Design framework:
Requirements → Estimation → APIs + Data → Architecture → Bottlenecks → Reliability → Trade-offs
60 days taught me that system design isn't about memorizing diagrams. It's about explaining decisions.
#SystemDesign #60DaysOfSystemDesign
8/8 — Job scheduler mental model:
Schedule → Claim → Enqueue → Execute → Acknowledge
Add leases, retries, idempotency, dead-letter handling and monitoring.
#SystemDesign #60DaysOfSystemDesign
8/8 — Social media mental model:
Create → Store → Process media
→ Publish event → Build feed → Rank → Deliver
Use object storage + CDN for media, queues for async work, and hybrid fan-out for feeds.
#SystemDesign #60DaysOfSystemDesign
8/8 — Food delivery mental model:
Browse → Place order → Confirm payment
→ Restaurant prepares → Assign partner
→ Track → Deliver
Use state machines for orders, idempotency for retries, and geospatial search for dispatch.
#SystemDesign #60DaysOfSystemDesign
8/8 — E-commerce mental model:
Browse → Cache + Search
Checkout → Revalidate
Inventory → Reserve atomically
Payment → Verify + Idempotency
Order → Persist state
Notifications → Async queue
#SystemDesign #60DaysOfSystemDesign
8/8 — Payment system mental model:
Validate → Persist → Charge → Verify → Update → Notify
Use idempotency, explicit states, signed webhooks and reconciliation.
#SystemDesign #60DaysOfSystemDesign
8/8 — Logging system mental model:
Collect → Buffer → Process → Store → Search → Alert
Use queues for spikes, indexed hot storage for fast queries, and object storage for affordable retention.
#SystemDesign #60DaysOfSystemDesign
8/8 — Distributed crawler mental model:
Frontier → Schedule URLs
Fetcher → Retrieve pages
Parser → Extract links
Dedup → Avoid repeated work
Storage → Save results
#SystemDesign #60DaysOfSystemDesign
Day 7/60 – 60 Days of System Design 🚀
Wrapped up the week by solving quizzes & coding challenges on OOP basics.
Fundamentals tested & reinforced ✅
#60DaysOfSystemDesign #OOP #LLD #SystemDesign #BuildInPublic
Day 6/60 – 60 Days of System Design 🚀
Revised Polymorphism – one interface, many forms. Same method name, different behaviors → flexibility & cleaner design 🔄
#60DaysOfSystemDesign #OOP #LLD #SystemDesign #BuildInPublic
Day 6/60 – 60 Days of System Design 🚀
Revised Polymorphism – one interface, many forms. Same method name, different behaviors → flexibility & cleaner design 🔄
#60DaysOfSystemDesign #OOP #LLD #SystemDesign #BuildInPublic
Day 5/60 – 60 Days of System Design 🚀
Revised Inheritance – reusing & extending existing classes. Powerful for hierarchies, but must be balanced to avoid tight coupling ⚖️
#60DaysOfSystemDesign #OOP #LLD #SystemDesign #BuildInPublic
Day 5/60 – 60 Days of System Design 🚀
Revised Inheritance – reusing & extending existing classes. Powerful for hierarchies, but must be balanced to avoid tight coupling ⚖️
#60DaysOfSystemDesign #OOP #LLD #SystemDesign #BuildInPublic
Day 4/60 – 60 Days of System Design 🚀
Dived deeper into Encapsulation & Access Specifiers (default, public, private, protected). Controlling what’s exposed vs hidden keeps systems modular & secure 🔒
#60DaysOfSystemDesign #OOP #SystemDesign #BuildInPublic
Day 4/60 – 60 Days of System Design 🚀
Dived deeper into Encapsulation & Access Specifiers (default, public, private, protected). Controlling what’s exposed vs hidden keeps systems modular & secure 🔒
#60DaysOfSystemDesign #OOP #SystemDesign #BuildInPublic
Day 3/60 – 60 Days of System Design 🚀
Revised constructors, and went deeper into attributes & methods – the state + behavior that define how objects live & act.
Small steps, building solid OOP foundations 💪
#60DaysOfSystemDesign #OOP #SystemDesign
Day 3/60 – 60 Days of System Design 🚀
Revised constructors, and went deeper into attributes & methods – the state + behavior that define how objects live & act.
Small steps, building solid OOP foundations 💪
#60DaysOfSystemDesign #OOP #SystemDesign
Day 2/60 – 60 Days of System Design 🚀
Revised classes & objects → the blueprint & instances that bring OOP to life. Also went deeper into the 4 pillars. Basics, but consistency > complexity right now 💪
#60DaysOfSystemDesign #OOP #LLD #SystemDesign
Day 2/60 – 60 Days of System Design 🚀
Revised classes & objects → the blueprint & instances that bring OOP to life. Also went deeper into the 4 pillars. Basics, but consistency > complexity right now 💪
#60DaysOfSystemDesign #OOP #LLD #SystemDesign
Day 1/60 – 60 Days of System Design 🚀
Started with the 4 pillars of OOP:
- Encapsulation
- Abstraction
- Inheritance
- Polymorphism
Foundation of LLD & scalable systems. Back to basics before scaling up 💪
#60DaysOfSystemDesign #OOP #LLD #SystemDesign
Day 1/60 – 60 Days of System Design 🚀
Started with the 4 pillars of OOP:
- Encapsulation
- Abstraction
- Inheritance
- Polymorphism
Foundation of LLD & scalable systems. Back to basics before scaling up 💪
#60DaysOfSystemDesign #OOP #LLD #SystemDesign
Encapsulation – wrapping data + methods together, exposing only what’s necessary.
➡️ Keeps systems modular & secure.
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