WFGY/ProblemMap/GlobalFixMap/OpsDeploy
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blue_green_switchovers.md Create blue_green_switchovers.md 2025-08-31 18:15:52 +08:00
cache_warmup_invalidation.md Create cache_warmup_invalidation.md 2025-08-31 18:58:39 +08:00
db_migration_guardrails.md Create db_migration_guardrails.md 2025-08-31 21:32:27 +08:00
feature_flags_safe_launch.md Create feature_flags_safe_launch.md 2025-08-31 19:58:38 +08:00
idempotency_dedupe.md Create idempotency_dedupe.md 2025-08-31 20:09:26 +08:00
incident_comms_and_statuspage.md Create incident_comms_and_statuspage.md 2025-08-31 20:55:36 +08:00
postmortem_and_regression_tests.md Create postmortem_and_regression_tests.md 2025-08-31 20:38:26 +08:00
rate_limit_backpressure.md Create rate_limit_backpressure.md 2025-08-31 19:02:25 +08:00
read_only_mode_and_maintenance_window.md Create read_only_mode_and_maintenance_window.md 2025-08-31 21:32:05 +08:00
README.md Update README.md 2025-08-31 21:43:32 +08:00
release_calendar_and_change_freeze.md Create release_calendar_and_change_freeze.md 2025-08-31 20:48:18 +08:00
retry_backoff.md Create retry_backoff.md 2025-08-31 20:16:19 +08:00
rollback_and_fast_recovery.md Create rollback_and_fast_recovery.md 2025-08-31 20:23:46 +08:00
rollout_readiness_gate.md Create rollout_readiness_gate.md 2025-08-31 17:59:15 +08:00
shadow_traffic_mirroring.md Create shadow_traffic_mirroring.md 2025-08-31 21:31:49 +08:00
staged_rollout_canary.md Create staged_rollout_canary.md 2025-08-31 18:07:06 +08:00
vector_index_build_and_swap.md Create vector_index_build_and_swap.md 2025-08-31 18:42:20 +08:00
version_pinning_and_model_lock.md Create version_pinning_and_model_lock.md 2025-08-31 18:34:03 +08:00

Ops & Deploy — Global Fix Map

A compact hub to ship safely and keep RAG/LLM systems stable after release.
Use this folder to pick the right guardrail, verify with measurable targets, and recover fast when things wobble. No infra change required.


Open these first


When to use this folder

  • First call after deploy crashes or returns stale content
  • ΔS and citations look fine yesterday but flip today
  • Rate limits cascade, queues spike, latency climbs
  • Canary looks good then full rollout breaks retrieval
  • Index swap succeeds but answers cite the old sections
  • Retries cause duplicate side effects or money leaks
  • Feature flags bleed traffic into unfinished paths
  • Maintenance or migration windows corrupt anchors

Acceptance targets for a safe rollout

  • ΔS(question, retrieved) ≤ 0.45 on three paraphrases after rollout begins
  • Coverage ≥ 0.70 to the expected section on the new version
  • λ remains convergent across two seeds during canary and after cutover
  • Idempotency ≥ 99.9% on side-effecting actions during retry storms
  • Zero silent index mismatches after build-and-swap (hash and doc counts match)
  • P95 latency within budget while rate-limit backpressure is active

Quick routes to per-page guides


60-second ship checklist

  1. Freeze the world
    Pin model IDs, tool schemas, prompt headers, retriever weights. Record MODEL_LOCK, PROMPT_REV, INDEX_HASH.

  2. Warm up safely
    Build new index off-path. Validate counts, hashes, sample ΔS. Preload caches with canary questions.

  3. Shadow then canary
    Mirror production queries. Compare ΔS, coverage, latency, and error rate. If stable, release to 5% then 25% then 100%.

  4. Guard the edge
    Turn on backpressure at the gateway. Enable idempotency keys and bounded retries before any side effects.

  5. Know your exit
    Prepare rollback switch and comms template. Keep Statuspage draft and regression pack ready.


Symptoms → exact fix

What you see Open this
First requests after deploy hit old snippets vector_index_build_and_swap.md · cache_warmup_invalidation.md
Canary clean, full rollout flips answers staged_rollout_canary.md · feature_flags_safe_launch.md
Wrong model responds after failover version_pinning_and_model_lock.md
Retries cause duplicate charges or writes idempotency_dedupe.md · retry_backoff.md
RL storms, queue explosion, timeouts rate_limit_backpressure.md
Need instant safe rollback plan rollback_and_fast_recovery.md · blue_green_switchovers.md
Maintenance window corrupts anchors read_only_mode_and_maintenance_window.md · db_migration_guardrails.md
Unsure if it is safe to ship rollout_readiness_gate.md

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