Designing, Deploying, and Operating Large Language Model Systems at Scale
Introduction: The LLMOps Imperative
- Why LLM Projects Fail in Production
- Defining LLMOps: What It Is and What It Is Not
- The Generative AI Lifecycle vs Traditional ML
- Principles That Endure Beyond the Tooling
- How to Use This Book
Chapter 1: Foundations of LLM Application Architecture
- How Large Language Models Work: A Primer for Engineers
- Architectural Patterns for LLM Applications
- Requirements Engineering for Generative AI Systems
- System Design Trade-offs and Decision Frameworks
- From Proof of Concept to Production: The Gap Most Teams Ignore
Chapter 2: Model Selection, Benchmarking, and the Proprietary vs Open-Weight Decision
- The LLM Landscape: Categories and Capabilities
- Benchmarking Methodologies: What Metrics Actually Matter
- Designing Your Own Evaluation Benchmarks
- Proprietary API Models: When They Make Sense
- Open-Weight Models: Self-Hosting, Licensing, and Control
- Multi-Model Strategies and Model Portfolios
Chapter 3: Prompt Engineering, Structured Outputs, and Tool Use
- Prompt Design from First Principles
- Advanced Prompting Techniques: When Each One Applies
- Structured Outputs: JSON Schemas and Validation
- Function Calling and Tool Use Patterns
- Prompt Management as a Production Discipline
- Anti-Patterns and Common Failures
Chapter 4: Embeddings, Vector Databases, and Retrieval Architectures
- How Embeddings Work: From Text to Vectors
- Vector Database Architectures and Selection Criteria
- Semantic Search vs Keyword Search vs Hybrid Retrieval
- Reranking: Precision at the Cost of Latency
- Context Engineering and Management
- Building a Production Retrieval Pipeline
Chapter 5: Retrieval-Augmented Generation and Advanced RAG Patterns
- The RAG Architecture: Why Retrieval Before Generation
- Basic RAG Implementation End to End
- Advanced RAG Patterns: Multi-Hop, Graph-Based, Agentic
- Document Processing Pipelines for Production RAG
- Evaluating RAG Systems: Beyond Accuracy
- When Not to Use RAG
Chapter 6: Agents, Memory, and Multi-Agent Systems
- What Makes an Agent: Planning, Tools, and Execution Loops
- Single-Agent Architectures and Implementation Patterns
- Memory Systems: Short-Term, Long-Term, and Vector Memory
- Multi-Agent Orchestration Patterns
- Operational Challenges of Agentic Systems
- When Agents Add Value—and When They Overcomplicate
Chapter 7: Fine-Tuning, Parameter-Efficient Methods, and Synthetic Data
- When Fine-Tuning Beats Prompt Engineering
- Dataset Preparation: Collection, Curation, and Versioning
- Full Fine-Tuning vs Parameter-Efficient Fine-Tuning
- Synthetic Data Generation Strategies
- Training Infrastructure and Cost Considerations
- Maintaining Tuned Models in Production
Chapter 8: Evaluation Frameworks, Experimentation, and LLM-as-a-Judge
- The Evaluation Problem: Why Traditional Metrics Fail
- Automated Quality Metrics for Generative AI
- LLM-as-a-Judge: Techniques, Risks, and Best Practices
- Human-in-the-Loop Evaluation Workflows
- Experimentation Platforms and A/B Testing for LLMs
- Building a Continuous Evaluation Culture
Chapter 9: Versioning, Registries, CI/CD/CT for LLM Applications
- What Needs Versioning in an LLM System
- Model Registries and Lifecycle Management
- Prompt Versioning and Canary Testing
- CI/CD for LLM Applications: Pipelines That Work
- Continuous Training and Automated Retriggering
- Rollout Strategies: Blue-Green, Canary, Shadow Deployments
Chapter 10: Deployment, Inference Serving, and Infrastructure
- API Design for LLM Services
- Containerizing LLM Applications and Models
- Kubernetes Orchestration for LLM Workloads
- GPU Infrastructure: Procurement, Scheduling, and Sharing
- Cloud Deployment Patterns and Serverless Inference
- Multi-Region Deployment and Latency Optimization
Chapter 11: Inference Optimization, Caching, and Model Routing
- Quantization: Trading Precision for Speed and Cost
- Batching Strategies: Static, Dynamic, and Continuous
- Caching Patterns: Prompt Caching, Semantic Cache, Result Caching
- Speculative Decoding and Early Exit Techniques
- Model Gateways and Intelligent Routing
- End-to-End Latency and Throughput Optimization
Chapter 12: Observability, Monitoring, and Reliability Engineering
- Observability Foundations for LLM Systems
- Distributed Tracing Across LLM Pipelines
- Quality Monitoring: Hallucination Detection and Drift
- Token Analytics, Cost Monitoring, and FinOps
- SRE Practices: SLIs, SLOs, Error Budgets for LLMs
- Incident Response and Disaster Recovery
Chapter 13: Security, Governance, Compliance, and Responsible AI
- Prompt Injection Attacks and Defense Strategies
- Data Leakage Prevention and Input/Output Sanitization
- Secrets Management and Credential Security
- Authentication, Authorization, and Access Control
- Privacy, Regulations, and Compliance Requirements
- Responsible AI Governance Frameworks
Conclusion: Operating LLM Systems at Scale
- The LLMOps Maturity Model: From Experimentation to Platform
- Team Structures and Organizational Patterns
- Building an Internal LLMOps Platform
- What Changes, What Endures
- The Path Ahead