20160110 - 海外访问问题

[Livid]

太平洋时间 2016 年 1 月 10 日全天
美国东部时间 2016 年 1 月 10 日全天

因为位于洛杉矶的一台边缘服务器负载过大，造成这一天内从海外访问 V2EX 时有大约 20%-25% 的几率遇到 Time Out 错误。这个问题现在已经解决，抱歉，是监控措施不到位，导致在收到报警之后花了一些时间才找到原因。

[kn007]

了解

[iyuyue]

@Livid

最近在英国打开 V2EX 有时会比较卡。主要域名的解析如下

$ nslookup cdn.v2ex.co 8.8.8.8
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
cdn.v2ex.co canonical name = lbr.ogslb.com.
Name: lbr.ogslb.com
Address: 23.251.112.132
Name: lbr.ogslb.com
Address: 23.251.105.132
Name: lbr.ogslb.com
Address: 23.251.112.133
Name: lbr.ogslb.com
Address: 23.251.105.131

$ nslookup cdn.v2ex.com 8.8.8.8
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
cdn.v2ex.com canonical name = v2ex.global.zgslb.net.
v2ex.global.zgslb.net canonical name = v2ex.edge.zgslb.net.
Name: v2ex.edge.zgslb.net
Address: 23.251.124.131
Name: v2ex.edge.zgslb.net
Address: 23.251.126.133
Name: v2ex.edge.zgslb.net
Address: 23.251.100.132
Name: v2ex.edge.zgslb.net
Address: 23.251.121.133
Name: v2ex.edge.zgslb.net
Address: 23.251.96.131

$ nslookup www.v2ex.com 8.8.8.8
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
www.v2ex.com canonical name = v2ex.global.zgslb.net.
v2ex.global.zgslb.net canonical name = v2ex.edge.zgslb.net.
Name: v2ex.edge.zgslb.net
Address: 23.251.126.133
Name: v2ex.edge.zgslb.net
Address: 23.251.100.132
Name: v2ex.edge.zgslb.net
Address: 23.251.121.133
Name: v2ex.edge.zgslb.net
Address: 23.251.96.131
Name: v2ex.edge.zgslb.net
Address: 23.251.124.131

Ping 值都在 200 ～ 300
可以参考 https://asm.ca.com/en/ping.php 的结果
而我这边 Ping 美国节点（ 23.251.100.132 ）也才 170 ＝ ＝
希望能和国内一样秒开