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This article introduces the relevant knowledge of "how to use Nest.js to achieve simple version request monitoring in node". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Usually, when we do business processing, we want to see the actual situation of business requests on a time side, take a look at the usage of some interfaces, such as cpu memory, and make a monitoring system when making targeted interface optimization. But how can it be realized if you don't have so many resources to start a small project on your own? Here we take a look at nest-status-monitor, a third-party package from Nest.

Installation dependency

First install the required dependencies in our Nest project

Yarn add nest-status-monitor status Monitoring package

The socket package that yarn add @ nestjs/platform-socket.io 6.10.14 needs to use. Here, the old version is installed because the status monitoring package is incompatible with the latest socket package.

Realize

Status monitoring configuration

/ * statusMonitor.ts * / export default {pageTitle: 'Nest.js Monitoring', / / configure port port: 3000, / / remember to add global route'/ api' path:'/ status', ignoreStartsWith:'/ health/alive', spans: [{interval: 1, / / Every second retention: 60, / / Keep 60 datapoints in memory}, {interval: 5, / / Every 5 seconds retention: 60 }, {interval: 15, / / Every 15 seconds retention: 60,},], chartVisibility: {cpu: true, mem: true, load: true, responseTime: true, rps: true, statusCodes: true,}, healthChecks: [],}

Referenced in the mian.ts file and registered

/ * main.ts * / import {StatusMonitorModule} from 'nest-status-monitor';import statusMonitorConfig from'. / config/statusMonitor';async function bootstrap () {. / / Registration status monitoring StatusMonitorModule.setUp (statusMonitorConfig),} bootstrap (); effect

Start the project yarn run start:dev

Enter http://localhost:3000/api/status in the browser. This is the set display address. You can also set it according to your own needs and environment.

As shown in the figure above, I have just tested and sent two 400 requests and a 200 request, which are clearly shown at the bottom.

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