testland/cache-stampede-reference
Pure-reference catalog of cache-stampede (thundering-herd) phenomena and mitigations: parallel misses on key expiry trigger simultaneous recomputation (often congestion-collapse), countered by three families - locking, external recomputation near-expiry, and probabilistic early expiration via XFetch (`(time() - delta * beta * log(rand(0,1))) >= expiry`). Use when designing cache-refresh strategy or diagnosing a stampede incident. This is the single failure-mode pattern; for the broader multi-tier pattern catalog use cache-coherence-patterns-reference, for the stale-while-revalidate / stale-if-error extensions use stale-while-revalidate-reference; a reference consumed by redis-cache-tests, not a runnable test.
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tile.json
{
"name": "testland/cache-stampede-reference",
"version": "1.2.7",
"summary": "Pure-reference catalog of cache-stampede (thundering-herd) phenomena and mitigations: parallel misses on key expiry trigger simultaneous recomputation (often congestion-collapse), countered by three families - locking, external recomputation near-expiry, and probabilistic early expiration via XFetch (`(time() - delta * beta * log(rand(0,1))) >= expiry`). Use when designing cache-refresh strategy or diagnosing a stampede incident. This is the single failure-mode pattern; for the broader multi-tier pattern catalog use cache-coherence-patterns-reference, for the stale-while-revalidate / stale-if-error extensions use stale-while-revalidate-reference; a reference consumed by redis-cache-tests, not a runnable test.",
"private": false,
"skills": {
"cache-stampede-reference": {
"path": "SKILL.md"
}
}
}