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