# Performance Tuning

> Optimize performance of the Adobe Dispatcher Apache HTTP Server module and related HTTPD configuration for AEMaaCS cloud workflows only, with cloud-specific baseline and runtime verification.

- Skill: `adobe/performance-tuning-2` (Agent Skill, multi-file: 17 files)
- Install (CLI): `npx skillmds@latest add adobe/performance-tuning-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/adobe/performance-tuning-2/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra
- License: Apache-2.0
- Author: Adobe (https://skillmd.com/u/adobe), verified publisher
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/adobe/performance-tuning-2

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# Dispatcher Performance Tuning (Cloud)

Improve cache efficiency, latency, and throughput for cloud deployments that use the Adobe Dispatcher Apache HTTP Server module and related HTTPD configuration.

## Variant Scope

- This skill is cloud-service-only.
- Scope is fixed by this skill directory; do not ask the user to choose deployment variant.

## MCP Tool Contract

Use only these Dispatcher MCP tools:

- `validate`
- `lint`
- `sdk`
- `trace_request`
- `inspect_cache`
- `monitor_metrics`
- `tail_logs`

## Workflow

1. Capture baseline metrics and cache evidence.
2. Apply cloud guardrails (immutable/default includes, reserved probe paths, and CDN-vs-Dispatcher ownership) before proposing changes.
3. Prioritize low-risk/high-impact changes.
4. Apply minimal edits.
5. Verify with `validate`, `lint`, and `sdk`.
6. Compare before/after runtime evidence.

## Verification Scope Selection

Use shared references to select optimization evidence depth:

- [mode-specific-verification-matrix.md](./references/dispatcher-foundation/mode-specific-verification-matrix.md)
- [test-case-catalog.md](./references/dispatcher-foundation/test-case-catalog.md)

## Output Contract

Always return:

- baseline metrics snapshot
- prioritized optimization list with impact/risk
- changed files and intent
- executed checks + before/after evidence
- selected test IDs and outcomes
- rollback plan and open risks

## Guardrails

- Do not claim improvement without measurable comparison.
- Keep high-risk tuning opt-in unless user explicitly requests it.
- Keep cloud assumptions explicit for each recommendation batch.
- Route edge/WAF/CDN-only concerns to CDN layer guidance instead of Dispatcher config changes.

## References

- [optimization-patterns.md](./references/performance-tuning/optimization-patterns.md)
- [performance-scenario-playbooks.md](./references/performance-tuning/performance-scenario-playbooks.md) – scenario-driven tuning flows adapted from broader MCP prompt surfaces
- [load-testing-guidance.md](./references/performance-tuning/load-testing-guidance.md)
- [performance-monitoring-setup.md](./references/performance-tuning/performance-monitoring-setup.md)
- [quick-start-execution-path.md](./references/dispatcher-foundation/quick-start-execution-path.md) – fast entry path for optimization requests
- [repo-layout-workflows.md](./references/dispatcher-foundation/repo-layout-workflows.md) – map performance findings to cache, farm, vhost, and rewrite file families
- [playbook-command-linkage.md](./references/dispatcher-foundation/playbook-command-linkage.md) – exact MCP command chains for tuning playbooks
- [mode-specific-verification-matrix.md](./references/dispatcher-foundation/mode-specific-verification-matrix.md)
- [cloud-service-aemaacs-guardrails.md](./references/dispatcher-foundation/cloud-service-aemaacs-guardrails.md) – cloud-service-only immutable/include/runtime boundary checks from AEMaaCS patterns
- [test-case-catalog.md](./references/dispatcher-foundation/test-case-catalog.md)
- [change-risk-and-rollback-template.md](./references/dispatcher-foundation/change-risk-and-rollback-template.md)
- [public-docs-index.md](./references/dispatcher-foundation/public-docs-index.md)
- [public-doc-citation-rules.md](./references/dispatcher-foundation/public-doc-citation-rules.md)
- [core-7-tools-reference.md](./references/dispatcher-foundation/core-7-tools-reference.md)