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Stack Overflow 系統架構 - 2016

Stack overflow 放出網站架構的資訊,包含架構圖、環境、平台、連線數等等。

Stack Overflow 系統架構 2016年版

內容詳見:Nick Craver - Stack Overflow: The Architecture - 2016 Edition,下面內容摘錄自此篇:

架構圖

Stack Overflow 2016年系統架構

架構圖備份

機器

  • 4 Microsoft SQL Servers (new hardware for 2 of them)
  • 11 IIS Web Servers (new hardware)
  • 2 Redis Servers (new hardware)
  • 3 Tag Engine servers (new hardware for 2 of the 3)
  • 3 Elasticsearch servers (same)
  • 4 HAProxy Load Balancers (added 2 to support CloudFlare)
  • 2 Networks (each a Nexus 5596 Core + 2232TM Fabric Extenders, upgraded to 10Gbps everywhere)
  • 2 Fortinet 800C Firewalls (replaced Cisco 5525-X ASAs)
  • 2 Cisco ASR-1001 Routers (replaced Cisco 3945 Routers)
  • 2 Cisco ASR-1001-x Routers (new!)
Tsung: 對新奇的事物都很有興趣, 喜歡簡單的東西, 過簡單的生活.
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