Works with the AI tools you already use
Claude Code
Cursor
Codex CLI
Muse
OpenClaw+21 moreClaude CodeCursorCodex CLIMuseOpenClaw
Manus
Grok
Grok Bot+18 agentsRepair Cache Stampede Failures
Stop cache stampedes by repairing fill ownership, request coalescing, lock safety, refresh failures, TTL synchronization, and cold-cache overload.
$8.99
Repair Cache Stampede Failures
Example session with this skill installed
Our Node/TypeScript product catalog uses Redis in front of PostgreSQL. A top-selling product key has a 5-minute TTL. When it expires, 200–500 concurrent requests all miss Redis and call the same expensive SQL query. We already have a Redis lock, but its lease is 2 seconds while the query sometimes takes 4–6 seconds, so another request can acquire the lock before the first fill completes. Waiting requests poll every 50 ms, and on refresh failure every caller bypasses cache. Repair the repository so one hot-key expiry does not create a thundering herd. Use local Redis/test fixtures and deterministic concurrency tests. Do not flush production Redis, change live infrastructure, or invent a new freshness SLA.
- Read your context and instructions
- Compiled the repair cache stampede
Cache stampede found. A hot-key expiry triggers parallel SQL fills because the lock lease is shorter than the fill, followers poll aggressively, and refresh failure bypasses the cache per caller. The repair adds per-key coalescing, safer distributed ownership, generation protection, bounded follower behavior, concurrency tests, and fill metrics. Production capacity and freshness policy remain unverified.
Connects securely to your tools. The creator never sees your data.
What you get
About this skill
Cache stampedes happen when a cache miss becomes a concurrency problem: hundreds of callers expire the same key, race for a lock, retry independently, or all fall back to the origin after one refresh failure.
Repair Cache Stampede Failures gives an AI coding agent a repository workflow for tracing cache-fill ownership across application caches, Redis, loaders, background refresh jobs, distributed locks, retries, stale paths, and negative caching. It repairs single-flight/coalescing behavior, lock ownership, stale-owner protection, failure containment, TTL jitter, deterministic burst tests, and fill observability.
It does not flush production caches, change live CDN/provider settings, invent staleness or capacity limits, or claim production safety from local tests.
How to install
Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.
- 1
Download the ZIP
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- 2
Unzip into your skills folder
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- 3
Ask your agent to use it
Restart the agent if it was already running. It picks the skill up automatically - no config needed.
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