背景因为业务需求导致服务迁移，迁移过程中发现新机房同样接口的系统响应时间变的异常缓慢（普通有100-200ms的时延）。整个迁移过程中代码发布包完全拷贝，所以当时就定位为系统原因进行排查。整个排查过程通过在代码中关键路径切入耗时监控，从而定位具体耗时部分的代码，缩小排查范围。排查过程定位的代码逻辑因为保密原因省略了很多跟问题无关的代码，仅列出核心的代码。 try/catch过程中...

问答 2019-01-18 来自：开发者社区

不用阿里dns域名不能解析？

不用阿里dns域名不能解析？ DNS是cloudflare.com的解析添加后一直未生效 cloudflare.com cloudflare.com cloudflare.com cloudflare.com cloudflare.com

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