Improving Distributed Caching Performance and Efficiency at Pinterest

IntroductionPinterest’s distributed caching system, built on top of open source technologies memcached and mcrouter, is a critical component of the production infrastructure stack. Pinterest’s cache-as-a-service platform is responsible for driving down application latency across the board, reducing the overall cloud cost footprint, and ensuring adherence to strict sitewide availability targets. To

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Pinterestの分散キャッシュ(memcached+mcrouter)は、EC2インスタンス5000台構成、秒間1.8億リクエスト、220GB/sのスループット、約460TB。ワークロードに合わせてインスタンスタイプを使い分け。SCHED_FIFOやTFOの知見など。はーすごい。