Amazon web services 通过SDK调用Lambda的速度比API网关慢
我有这样的设置:Amazon web services 通过SDK调用Lambda的速度比API网关慢,amazon-web-services,aws-lambda,aws-sdk,aws-api-gateway,Amazon Web Services,Aws Lambda,Aws Sdk,Aws Api Gateway,我有这样的设置: var http = require('http'); var url = require('url'); var AWS = require('aws-sdk'); var lambda = new AWS.Lambda({region: "eu-central-1"}); http.createServer(function (req, res) { var url = req.url.split('/'); var data1 = url[1];
var http = require('http');
var url = require('url');
var AWS = require('aws-sdk');
var lambda = new AWS.Lambda({region: "eu-central-1"});
http.createServer(function (req, res) {
var url = req.url.split('/');
var data1 = url[1];
var data2 = url[2];
if ( ! data1 || ! data2 ) {
res.writeHead(500, {'Content-Type': "application/json" });
res.end("");
return;
}
var params = {
FunctionName: 'myfunc',
InvocationType: "RequestResponse",
Payload: '{"data1": "' + data1 + '", "data2": "' + data2 + '"}',
LogType : 'None'
};
lambda.invoke(params, function(err, data) {
if (err) {
console.log(err, err.stack);
} else {
var result = JSON.parse(data.Payload);
res.writeHead(200, {'Content-Type': "application/json" });
res.end(result.body);
}
});
}).listen(8080);
浏览器->API网关->Lambda:87毫秒
浏览器->Node.js脚本->AWS SDK->Lambda:163毫秒
如果我通过API网关调用Lambda函数,那么响应时间就可以了
如果我通过AWS SDK调用Lambda函数,那么响应非常慢
我想摆脱API网关。因为它很贵。但是,AWS-SDK的工作速度非常慢
我使用SDK的方式如下:
var http = require('http');
var url = require('url');
var AWS = require('aws-sdk');
var lambda = new AWS.Lambda({region: "eu-central-1"});
http.createServer(function (req, res) {
var url = req.url.split('/');
var data1 = url[1];
var data2 = url[2];
if ( ! data1 || ! data2 ) {
res.writeHead(500, {'Content-Type': "application/json" });
res.end("");
return;
}
var params = {
FunctionName: 'myfunc',
InvocationType: "RequestResponse",
Payload: '{"data1": "' + data1 + '", "data2": "' + data2 + '"}',
LogType : 'None'
};
lambda.invoke(params, function(err, data) {
if (err) {
console.log(err, err.stack);
} else {
var result = JSON.parse(data.Payload);
res.writeHead(200, {'Content-Type': "application/json" });
res.end(result.body);
}
});
}).listen(8080);
如何快速调用Lambda函数?API网关具有CloudFront的优势,这就是为什么它总是比从外部主机调用Lambda更快的原因。
如果将nodejs脚本部署到同一区域和同一vpc/子网(如果已配置)中的lambda,则它应该比API网关更快 调用lamda.invoke的函数的AWS凭据存储在哪里?查找凭据需要时间。@JohnHanley将AWS凭据存储在~/.AWS/credentials中。但是,aws的文档说“凭证应位于~/.aws/credentials中”