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Field notes from production AI.

Long-form essays from the engineers shipping AI inside payers, hospitals, energy operators and proptech platforms. Written for technology leaders who care more about what runs in production than what trended last week.

All essays

Field notes, sorted by recency.

1867 essays
APPLIED AI What Agent statepersistence ActuallyCosts. What Agent state persistence ActuallyCosts explains the engineering, control… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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What Agent state persistence Actually Costs

What Agent state persistence Actually Costs explains the engineering, control, change, and risk costs behind the first implementation across production AI. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI A Buyer's Guide toAI agentorchestration. A Buyer's Guide to AI agentorchestration helps engineering leaders… PLAN BUILD MEASURE IMPROVE BUYER
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A Buyer's Guide to AI agent orchestration

A Buyer's Guide to AI agent orchestration helps engineering leaders connect partial failure semantics, compensation, step idempotency, observability, and retry design to orchestration that handles a step failing halfway. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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PLATFORM ENGINEERING A Buyer's Guide toKubernetesmulti-tenancy. A Buyer's Guide to Kubernetesmulti-tenancy helps VP Engineering /… 01 Ad hoc 02 Managed 03 Defined 04 Optimized BUYER KUBERNETES
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A Buyer's Guide to Kubernetes multi-tenancy

A Buyer's Guide to Kubernetes multi-tenancy helps VP Engineering / Head of Infrastructure leaders connect tenant boundary, resource isolation, network policy, identity and secrets, and operational blast radius to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Real-TimeCustomer Data forRetail. Real-Time Customer Data helps retailteams connect event streams, profile… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
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Real-Time Customer Data for Retail

Real-Time Customer Data helps retail teams connect event streams, profile updates, decision latency, consent checks, and fallback behaviour to the moments a customer is still in the session. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI What Agent memorydesign ActuallyCosts. What Agent memory design Actually Costsshows leaders the engineering, control… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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What Agent memory design Actually Costs

What Agent memory design Actually Costs shows leaders the engineering, control, change, and risk costs hidden beyond the headline price at enterprise scale. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI A Buyer's Guide toFunction callingreliability. A Buyer's Guide to Function callingreliability helps engineering leaders… PLAN BUILD MEASURE IMPROVE BUYER
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A Buyer's Guide to Function calling reliability

A Buyer's Guide to Function calling reliability helps engineering leaders connect schema conformance under degraded input, error feedback loops, retry budgets, argument construction, and testing to reliability measured where it breaks. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI What Structuredoutput enforcementActually Costs. What Structured output enforcementActually Costs explains the engineering… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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What Structured output enforcement Actually Costs

What Structured output enforcement Actually Costs explains the engineering, control, change, and risk costs behind the first implementation in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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QUALITY ENGINEERING A Buyer's Guide toBias and fairnesstesting. A Buyer's Guide to Bias and fairnesstesting helps CTO / Head of AI leaders… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
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A Buyer's Guide to Bias and fairness testing

A Buyer's Guide to Bias and fairness testing helps CTO / Head of AI leaders connect decision context, group definition, outcome metrics, data coverage, and mitigation and monitoring to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY AI Data Catalogsfor Energy. AI Data Catalogs help energy teamsconnect automated metadata harvesting… 01 Discover 02 Prototype 03 Harden 04 Roll out
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AI Data Catalogs for Energy

AI Data Catalogs help energy teams connect automated metadata harvesting, description generation, review workflows, coverage measurement, and consumer trust to the question every analyst actually asks. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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INSIGHTS Self-HealingInfrastructurefor Energy. Self-healing infrastructure in energyearns trust one narrow remediation at a… SELFHEALING DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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Self-Healing Infrastructure for Energy

Self-healing infrastructure in energy earns trust one narrow remediation at a time. Start with the failures you already fix the same way every time, and never let automation hide a real problem.

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APPLIED AI A Buyer's Guide toMultimodal documentprocessing. A Buyer's Guide to Multimodal documentprocessing helps engineering leaders… 01 Assess 02 Design 03 Ship 04 Operate
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A Buyer's Guide to Multimodal document processing

A Buyer's Guide to Multimodal document processing helps engineering leaders connect layout as information, table and form structure, reading order, spatial relationships, and evaluation to processing that does not linearise meaning away. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Customer 360for Retail. Customer 360 helps retail teams connectidentity resolution, consent state… CUSTOMER360 DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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Customer 360 for Retail

Customer 360 helps retail teams connect identity resolution, consent state, channel data, match confidence, activation paths, and the moments staff and systems act on a profile. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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PRODUCT ENGINEERING A Buyer's Guide toIdempotency andretries. A Buyer's Guide to Idempotency andretries helps VP Engineering / Head of… PEOPLE PROCESS PLATFORM PRACTICE BUYERIDEMPOTENCY
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A Buyer's Guide to Idempotency and retries

A Buyer's Guide to Idempotency and retries helps VP Engineering / Head of Infrastructure leaders connect operation identity, idempotency key, retry policy, side-effect boundary, and deduplication evidence to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Blue-GreenDeployment forTechnology & SaaS. Blue-Green Deployment helps SaaSengineering teams connect cutover… MODEL DEPLOY MONITOR ITERATE BLUE
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Blue-Green Deployment for Technology & SaaS

Blue-Green Deployment helps SaaS engineering teams connect cutover mechanics, database compatibility, rollback windows, capacity cost, and progressive alternatives to releases that stop needing a war room. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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INSIGHTS ClaudeExceedinglimits. tis is for claude exceeding limits 01 Ad hoc 02 Managed 03 Defined 04 Optimized CLAUDE EXCEEDING
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Claude Exceeding limits

tis is for claude exceeding limits

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TECHNOLOGY Delta Lake vsIceberg forTechnology & SaaS. Delta, Iceberg, and Hudi solve the sameproblem. Choose on engine landscape and… DELTA LAKE/ ICEBERG Delta Lake Best fit for your caseSimpler to operateLower switching cost Iceberg Added complexityHeavier toolingSteeper learning curve
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Delta Lake vs Iceberg for Technology & SaaS

Delta, Iceberg, and Hudi solve the same problem. Choose on engine landscape and who you want to be coupled to, because the feature gaps close and the coupling does not.

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DATA ENGINEERING A Buyer's Guide toEmbedding lifecyclemanagement. A Buyer's Guide to Embedding lifecyclemanagement helps CTO / Head of AI… PLAN BUILD MEASURE IMPROVE BUYER
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A Buyer's Guide to Embedding lifecycle management

A Buyer's Guide to Embedding lifecycle management helps CTO / Head of AI leaders connect embedding model version, corpus segmentation, index versioning, re-embedding workflow, and migration validation to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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QUALITY ENGINEERING LLM-as-judgeevaluation UnderAudit. LLM-as-judge evaluation Under Audithelps AI leaders connect evidence… STRATEGY DELIVERY GOVERNANCE SCALE LLM JUDGE
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LLM-as-judge evaluation Under Audit

LLM-as-judge evaluation Under Audit helps AI leaders connect evidence, controls, ownership, failure handling, and production decisions to measurable risk. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Blue-GreenDeployment forFintech. Blue-Green Deployment helps fintechengineering teams connect cutover… DISCOVERY DESIGN DELIVERY SCALE
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Blue-Green Deployment for Fintech

Blue-Green Deployment helps fintech engineering teams connect cutover mechanics, in-flight transaction handling, schema compatibility, change evidence, and rollback windows to releases that cannot drop work. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY OpenTelemetry forTechnology & SaaS. OpenTelemetry helps SaaS engineeringteams connect instrumentation standards… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 OPENTELEMETRY TECHNOL…
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OpenTelemetry for Technology & SaaS

OpenTelemetry helps SaaS engineering teams connect instrumentation standards, semantic conventions, sampling strategy, cardinality control, and vendor portability to telemetry that stays useful across thirty teams. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY ClickstreamAnalytics forRetail. Clickstream Analytics helps retail teamsconnect event schemas, session… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 CLICKSTREAM ANALYTICS
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Clickstream Analytics for Retail

Clickstream Analytics helps retail teams connect event schemas, session stitching, bot filtering, storage cost, and product questions to the browsing behaviour that actually explains conversion. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Lakehouse tableformats UnderAudit. Lakehouse table formats Under Audithelps CDO / VP Data leaders test… LAKEHOUSETABLE DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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Lakehouse table formats Under Audit

Lakehouse table formats Under Audit helps CDO / VP Data leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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QUALITY ENGINEERING Shadow deploymentfor models UnderAudit. Shadow deployment for models Under Audithelps teams connect evidence, controls… 01 Scope 02 Build 03 Launch 04 Iterate
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Shadow deployment for models Under Audit

Shadow deployment for models Under Audit helps teams connect evidence, controls, ownership, failure handling, and production decisions to measurable risk. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY AWS Graviton forTechnology & SaaS. AWS Graviton helps SaaS engineeringteams connect architecture migration… 01 Assess 02 Design 03 Ship 04 Operate
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AWS Graviton for Technology & SaaS

AWS Graviton helps SaaS engineering teams connect architecture migration, dependency compatibility, multi-arch builds, benchmark honesty, and rollout sequencing to a price-performance gain that pays for itself. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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