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eBay 在測試環境下的 Load Balancer:Neutrino

eBay 放出了一套為了測試環境用 ScalaNetty 開發的 load balancer,Neutrino:「Announcing Neutrino for Load Balancing and L7 Switching」。

可以看到設計上加入了 log 機制,像是:

Ability to send the traffic logs to API endpoints


Traffic metrics and configuration are exposed as APIs.

Metrics can be easily published to Graphite. Neutrino is also extensible to push metrics to other metrics systems.

效能不是最主要的重點,不過在 2-core VM 裡面可以有每秒 300+ requests,對測試環境應該是夠用:

We have measured upwards of 300+ requests per second on a 2-core VM.

還有不少特殊的功能 (大量模組化的設計),對於測試環境應該頗好用?