System Design Interview An Insider 39-s Guide Volume 2 Pdf Github May 2026
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- Distributed systems basics: latency vs throughput, CAP, consistency models.
- Networking fundamentals: TCP vs UDP, HTTP, TLS, DNS, load balancers.
Week 2 — Data storage & databases
- Relational vs NoSQL: uses, trade-offs.
- Indexes, sharding, partitioning, replication.
Week 3 — Caching & CDNs
- Cache eviction policies (LRU, LFU), cache coherency, cache-aside vs write-through.
- CDN fundamentals: edge nodes, caching static vs dynamic content.
Week 4 — Messaging & streaming
- Message queues vs pub/sub, delivery guarantees, Kafka basics.
- Backpressure, exactly-once vs at-least-once semantics.
Week 5 — Scalability patterns
- Horizontal vs vertical scaling, stateless vs stateful services, autoscaling.
- Partitioning strategies, consistent hashing.
Week 6 — System reliability & observability
- Health checks, graceful degradation, circuit breakers.
- Monitoring, logging, distributed tracing, SLOs/SLIs/SLAs.
Week 7 — Security & privacy
- Authentication vs authorization, OAuth, JWT, rate limiting, encryption at rest/in transit.
Week 8 — Design patterns & architecture styles
- Microservices, monoliths, service mesh, serverless pros/cons.
Week 9 — Storage internals & performance
- SSTables, LSM trees vs B-trees, compaction, write amplification.
Week 10 — Real-time systems & search
- Real-time analytics, time-series DBs, search indexing, inverted index.
Week 11 — Cost, maintainability & trade-offs
- Cost modeling, operational overhead, technical debt considerations.
Week 12 — System design interview practice
- End-to-end mock interviews, review common interview questions, refine communication.
- Diwali (Festival of Lights): Symbolizing the victory of light over darkness. Homes are cleaned, lit with diyas (oil lamps), and fireworks are displayed.
- Holi (Festival of Colors): A spring celebration where people throw colored powder at each other, breaking barriers of caste and class.
- Eid & Christmas: Celebrated with equal fervor by the minority populations, highlighting the secular fabric of the country.
- Weddings: An Indian wedding is a festival in itself. It is a multi-day affair involving rituals like the Sangeet (music night), Mehendi (henna application), and the Pheras (circumambulation of the holy fire).
The Insider’s Track: Navigating "System Design Interview – An Insider's Guide Volume 2" and the GitHub PDF Phenomenon
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