Evidence & Audit – Performance Efficiency

Config

✅ Required

Sizing document or ADR section with measured CPU/memory baselines and instance type justification.

IaC

✅ Required

Terraform configuration with current instance generation and explicit size declaration.

Process

Optional

Quarterly report on sizing reviews with a list of over/under-provisioned resources.

Config

Optional

Export from AWS Compute Optimizer, Azure Advisor, or GCP Recommender.

IaC

✅ Required

Auto-scaling configuration with min/desired/max and scaling policy.

Process

✅ Required

Load test results demonstrating that auto-scaling triggers within the latency SLO.

Config

Optional

CloudWatch/Azure Monitor/GCP monitoring alerts for scaling events.

Governance

Optional

Runbook with documented scaling limits and known bottlenecks.

Governance

✅ Required

Caching strategy document with layer definition, TTL policies, and invalidation mechanism.

IaC

✅ Required

Terraform configuration for ElastiCache/Azure Redis/Memorystore and CDN with cache rules.

Config

Optional

Cache hit rate dashboard with target achievement evidence (>= 80% application cache).

Process

Optional

Cache invalidation runbook for data mutations.

Config

✅ Required

Performance Insights or slow query log configuration (active on production databases).

Governance

✅ Required

Index strategy document for high-frequency queries.

Process

Optional

Monthly slow query review report with action items.

Config

Optional

Query performance baseline (P50/P95/P99 for the top-20 queries).

Governance

✅ Required

SLO document for all production services (SLI definition, SLO targets, error budget policy).

Config

✅ Required

Monitoring/APM configuration with SLI instrumentation and SLO alerting rules.

Config

Optional

SLO compliance dashboard with historical trends and current error budget status.

Process

Optional

Quarterly SLO review report with adjustments.

IaC / Code

✅ Required

Load test scripts (k6/Gatling/Locust) with explicit acceptance criteria in version control.

Process

✅ Required

CI/CD pipeline configuration with load test as deployment gate.

Config

Optional

Historical load test results across multiple releases as regression baseline.

Governance

Optional

Performance test strategy document with scenarios, acceptance criteria, and execution cadence.

IaC

✅ Required

Terraform configuration with CDN and VPC/Private endpoints for cloud service access.

Governance

✅ Required

Network topology diagram with service placement, AZ distribution, and traffic routing.

Config

Optional

Network latency baselines (service-to-service RTT by AZ combination).

Process

Optional

CDN cache hit rate report.

IaC

✅ Required

Terraform configuration for Lambda/functions with explicit memory, timeout, and concurrency.

Governance

✅ Required

Documentation of the serverless adoption rationale for variable workloads.

Config

Optional

Lambda Power Tuning results or equivalent memory optimization analysis.

Process

Optional

Cost comparison serverless vs. EC2/container for spike workloads.

IaC

✅ Required

Terraform configuration with explicit storage type, IOPS, and throughput settings.

Config

✅ Required

Monitoring configuration for storage I/O alerts (queue depth, throughput, burst balance).

Process

Optional

Storage I/O baseline with P95/P99 queue depth and throughput utilization.

Governance

Optional

Storage tier selection guidelines by workload type.

Governance

✅ Required

Performance debt register with all required fields (ID, description, impact, owner, priority).

Process

✅ Required

Quarterly review meeting minutes or calendar with evidence of regular reviews.

Process

Optional

Sprint/backlog entries with prioritized performance debt tickets.

Config

Optional

Dashboard with performance debt metrics (open entries, age distribution, paydown rate).