Retry e cache in memoria

createRetryMiddleware

Backoff esponenziale + jitter. Opzioni da default + ctx.request.retry.

Opzione	Default
maxAttempts	3
baseDelayMs	300
maxDelayMs	30000
factor	2
retryOnStatus	408,429,500,502,503,504
retryOnNetworkError	true
retryNonIdempotentMethods	false	Solo GET/HEAD/OPTIONS/TRACE salvo true
shouldRetry	—

ERR_CANCELED: nessun retry. Per POST/PUT: retry: { retryNonIdempotentMethods: true }.

Cache

const store = new MemoryCacheStore({ maxEntries: 500 });
createCacheMiddleware(store, {
  ttlMs: 60_000,
  varyHeaderNames: ["authorization", "cookie"],
});

Chiave default: METHOD urlCompleta. memoryCache.skip per bypass/SWR in background.

Prossimo

• Errori e sicurezza