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import { lookup, resolve } from "node:dns/promises";
import { bench, run } from "mitata";
bench("(cached) dns.lookup remote x 50", async () => {
var tld = "example.com";
const run = () => lookup(tld).catch(() => {});
const total = 50;
var remain = total;
var done;
await new Promise((resolve) => {
for (var i = 0; i < total; i++)
run().finally(() => {
remain--;
if (remain === 0) {
done();
}
});
done = resolve;
});
});
bench("(cached in batch) dns.lookup remote x 50", async () => {
var tld = Math.random().toString(16) + ".example.com";
const run = () => lookup(tld).catch(() => {});
const total = 50;
var remain = total;
var done;
await new Promise((resolve) => {
for (var i = 0; i < total; i++)
run().finally(() => {
remain--;
if (remain === 0) {
done();
}
});
done = resolve;
});
});
bench("dns.lookup remote x 50", async () => {
var remain = 50;
var done;
const run = () =>
lookup(Math.random().toString() + ".example.com").catch(() => {});
await new Promise((resolve) => {
for (var i = 0; i < 50; i++)
run().finally(() => {
remain--;
if (remain === 0) {
done();
}
});
done = resolve;
});
});
bench("dns.resolve remote x 50", async () => {
var remain = 50;
var done;
const run = () =>
resolve(Math.random().toString() + ".example.com").catch(() => {});
await new Promise((resolve) => {
for (var i = 0; i < 50; i++)
run().finally(() => {
remain--;
if (remain === 0) {
done();
}
});
done = resolve;
});
});
await run();
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