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Allegro Reduces Kafka Producer Latency Outliers by 82% After Switching to XFS

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The company used Kafka protocol sniffing, JVM profiling, and eBPF, which proved instrumental in identifying and eliminating performance bottlenecks. By Rafal Gancarz

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How LinkedIn Serves Over 4.8 Million Member Profiles per Second

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LinkedIn introduced Couchbase as a centralized caching tier for scaling member profile reads to handle increasing traffic that has outgrown their existing database cluster. By Rafal Gancarz The new solution achieved over 99% hit rate, helped reduce tail latencies by more than 60% and costs by 10% annually.

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