[閒聊] Stack Overflow 2016 Architecture

[xxoo1122 (一個連IE6都能相容的男人)]

Stack Overflow公開了2016年的架構
http://goo.gl/K09Jfp

After you find our secret hideout, HTTP traffic comes from one of our four ISPs
(Level 3, Zayo, Cogent, and Lightower in New York) and flows
through one of our four edge routers. We peer with our ISPs using BGP
(fairly standard) in order to control the flow of traffic and provide
several avenues for traffic to reach us most efficiently.
內文提到他們跟4間isp做介接跑bgp

I suppose this may be a good time to mention we have a 10Gbps MPLS between
our 2 data centers
兩個數據中心之間有10g的mpls連接


這邊有他們更詳細硬體規劃
http://goo.gl/wgpH3O

在sql server的部份他們是特別挑了高時脈的的CPU,並且用上了
intel p3700 nvme ssd.
他們的負載平衡不是用大家熟悉的F5 or A10,他們用的是haproxy
整套弄下來三四千萬是跑不掉.

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