并发记录器：分别记录HTTP请求响应，可视化它们的并发并在请求的上下文中报告日志错误

并发记录器 HTTP日志记录中间件对于在不丢失请求上下文的情况下展开并发操作特别有用 安装 $ npm install concurrency-logger 用法 与 基本用法 import Koa from 'koa' ; import createLogger from 'concurrency-logger' ; const app = new Koa ; // Logger is stateful as it contains information about concurrent requests // Same instance needs to be reused across requests const logger = createLogger ( /* options */ ) ; app . use ( logger ) ; 来自中间件的日志 // Log something in context to a specific request to trace it back easily - // also when there are multiple c