設計模式
系列練習
- Streams, metrics & aggregation5 題
- AI platforms, agents & model systems18 題
- Realtime chat, sync & collaboration9 題
- Search, retrieval & ranking18 題
- Payments, ledgers & idempotency15 題
- Inventory, reservations & queues21 題
- Geo, matching & dispatch7 題
- Storage, media & content delivery19 題
- Reliability, async delivery & jobs23 題
- Abuse, rate limits & policy control13 題
- Caching, partitioning & hot-path scale26 題
- Core system design foundations1 題
核心概念
- Sharding and Hot-Key Mitigation16 題
- Idempotency Key12 題
- Async Job Queue10 題
- Persistent Connection Management9 題
- Rate Limiting / Quota8 題
- State Machine + Idempotent Transitions8 題
- Latency Budget Decomposition6 題
- Pub/Sub Fan-out6 題
- Reconciliation / Background Repair6 題
- Reservation Hold with TTL6 題
- Access Control Filtering (ACL)5 題
- Cache-Aside and Stampede Control5 題
- Feature Store / Point-in-Time Correctness5 題
- Geospatial Indexing5 題
- Multi-Provider Routing / Failover5 題
- Notification Delivery and Routing5 題
- Streaming Windowed Aggregation5 題
- Virtual Queue / Admission Control5 題
- ANN Vector Index4 題
- Human-in-the-Loop Review4 題
- Multi-Stage Ranking Funnel4 題
- Quorum Replication and Failover4 題
- Retry with Backoff + Dead-Letter4 題
- Two-Tower Retrieval4 題
- Agentic Tool-Calling Loop3 題
- Backpressure and Load Shedding3 題
- Bias Correction (Position/Counterfactual)3 題
- Conflict-Free Collaboration (OT/CRDT)3 題
- Double-Entry Ledger3 題
- Elastic Worker Autoscaling3 題
- Inverted Index Search3 題
- Metadata/Data Separation3 題
- Offline/Online Evaluation and A/B Testing3 題
- Optimistic Concurrency Control3 題
- Precomputed Read View3 題
- Probabilistic Data Structures3 題
- Real-Time Rules/Policy Engine3 題
- Saga / Compensating Transaction3 題
- Top-K Ranking3 題
- Atomic Counter Inventory2 題
- Capacity Estimation and Scale Sizing2 題
- Chunked Transfer + Content-Hash Dedup2 題
- Distributed Lock / Lease Fencing2 題
- Edge Caching / CDN2 題
- LLM Safety Guardrails2 題
- Optimistic Local Update + Reconciliation2 題
- RAG Grounding and Citation2 題
- Resource Scheduling and Preemption2 題
- Retention and Versioning Tiers2 題
- Sandboxed Execution2 題