Building Resilient Microservices: Circuit Breaker Patterns in Production
Advanced implementation strategies for circuit breakers, bulkheads, and timeout patterns in distributed systems. Real metrics from a 10M+ request/day platform.
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Scalable distributed systems, microservices patterns, and enterprise architecture design principles for high-performance applications.
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distributed-cache-manager.ts
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interface CacheStrategy {
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get(key: string): Promise<any>;
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set(key: string, value: any, ttl?: number): Promise<void>;
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invalidate(pattern: string): Promise<void>;
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}
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class DistributedCacheManager implements CacheStrategy {
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private redis: RedisCluster;
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private localCache: LRUCache;
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async get(key: string): Promise<any> {
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// L1: Check local cache first
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const localResult = await this.localCache.get(key);
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if (localResult) return localResult;
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// L2: Fallback to distributed cache
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const distributedResult = await this.redis.get(key);
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if (distributedResult) {
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this.localCache.set(key, distributedResult);
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}
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return distributedResult;
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}
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}
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