scribbling

[펌] 스택 오버플로우(stack overflow) 아키텍처

'김용환' 2016. 3. 16. 11:05



출처 : http://nickcraver.com/blog/2016/02/17/stack-overflow-the-architecture-2016-edition/


윈도우 기반의 서비스로 대용량을 잘 처리하고 있는 아키텍처이다. 필요한 솔루션은 오픈소스(stack exchange 개발자가 리드)로 개발하고 있다.


== 아키텍처

  • 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!)


== IDC 장비 사진

http://imgur.com/a/X1HoY



== 라이브러리

  • Dapper (.Net Core) - High-performance Micro-ORM for ADO.Net
  • StackExchange.Redis - High-performance Redis client
  • MiniProfiler - Lightweight profiler we run on every page (also supports Ruby, Go, and Node)
  • Exceptional - Error logger for SQL, JSON, MySQL, etc.
  • Jil - High-performance JSON (de)serializer
  • Sigil - A .Net CIL generation helper (for when C# isn’t fast enough)
  • NetGain - High-performance websocket server
  • Opserver - Monitoring dashboard polling most systems directly and feeding from Orion, Bosun, or WMI as well.
  • Bosun - Backend monitoring system, written in Go


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