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client.js
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client.js
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const http = require('http');
// This client only contains automatic instrumentation, to show
// that you don't need to add any additional instrumentation
// when you're just getting started.
function makeRequest() {
http.get({
host: 'localhost',
port: 9000,
path: '/hello',
}, (response) => {
const body = [];
response.on('data', (chunk) => body.push(chunk));
response.on('end', () => {
console.log(body.toString());
});
});
}
// EXERCISE: Try out the patterns in server.js.
// Use tracer.startSpan, tracer.withSpan, and span.end
// to create a span which wraps the for loop and becomes
// the parent of all the request spans, so that they all
// become part of the same trace.
for (let i = 0; i < 200; i++) {
makeRequest();
}