com*_*ude 4 javascript keep-alive node.js typescript axios
我已经阅读了一堆文档、Stack Overflow 帖子和各种博客文章,但似乎无法让“keepAlive”功能发挥作用。我在这里缺少什么?
我的服务器:
import express from "express";
var app = express();
var server = app.listen(3000);
var connectionCount = 1;
var requestCount = 1;
server.keepAliveTimeout = (60 * 1000) + 1000;
server.headersTimeout = (60 * 1000) + 2000;
server.on('connection', function(socket) {
console.log(`A new connection (${connectionCount}) was made by a client.`);
connectionCount++;
socket.setTimeout(30 * 1000);
});
server.on('request', (request, response) => {
console.log(`New request #${requestCount}!!`);
requestCount++;
});
app.get('/', (req, res) => {
res.send('Hello World, from express');
});
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我的脚本发送请求(每次我想要“keepAlive”时都会创建新连接,因此它是这些请求的一个连接):
import axios from 'axios';
import http from 'http';
import https from 'https';
const httpAgent = new http.Agent({ keepAlive: true });
const httpsAgent = new https.Agent({ keepAlive: true });
const axiosInstance = axios.create();
for (let i = 1; i < 51; i++) {
axiosInstance.get(
'http://localhost:3000',
{
httpAgent: httpAgent,
httpsAgent: httpsAgent
}
)
.then(function (response) {
console.log(response.data);
console.log(`GET ${i}`)
})
.catch(e => {console.error(e)});
}
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我想到了。我“只是”需要await在打电话之前。
await axiosInstance.get()
您需要使用较新版本的 Node(我使用的是 14.18.1)才能正常工作,否则您需要将其全部包装在异步函数中。
希望我的奋斗可以帮助别人:)!
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