Moment Timezone perf test

moment-tz-perf-test.js

/* jshint esversion:6, node: true */

let http = require('http');
let querystring = require('querystring');
let moment = require('moment-timezone');

const PORT = 8081;

let server = http.createServer(function (req, res) {
	let qs = req.url.split('?');
	if (qs.length > 1) {
		qs = qs[1];
	} else {
		res.end('Need querystring');
		return;
	}
	let q = querystring.parse(qs);
	res.end(moment.tz(q.ts, q.zone.replace(/-/g, '/')).utcOffset().toString());
});

server.listen(PORT, function () {
	console.log(`Listening on http://localhost:${PORT}`);
});

results.txt

A 10-second test with an average of 100 requests per second:
Complete report @ 2016-05-10T21:20:36.579Z
  Scenarios launched: 954
  Scenarios completed: 954
  Number of requests made: 954
  RPS: 90.94
  Request latency:
    min: 0.6
    max: 13.7
    median: 0.8
    p95: 1.5
    p99: 3.6
  Scenario duration:
    min: 1.2
    max: 29.8
    median: 1.6
    p95: 3
    p99: 8.2
  Codes:
    200: 954
    
---

A 10-second test with an average of 500 requests per second:
$ artillery quick -d 10 -r 500 'http://localhost:8081/?ts=2016-01-02T10:25:36&zone=America-Denver'
Complete report @ 2016-05-10T21:23:11.596Z
  Scenarios launched: 4242
  Scenarios completed: 4082
  Number of requests made: 4082
  RPS: 402.85
  Request latency:
    min: 0.5
    max: 15.2
    median: 0.7
    p95: 1.1
    p99: 4
  Scenario duration:
    min: 1
    max: 29.5
    median: 1.3
    p95: 2.3
    p99: 9.5
  Codes:
    200: 4082
  Errors:
    ECONNRESET: 125
    EMFILE: 35
    
---

A 30-second test with an average of 500 requests per second:
$ artillery quick -d 30 -r 500 'http://localhost:8081/?ts=2016-01-02T10:25:36&zone=America-Denver'
Complete report @ 2016-05-10T21:27:52.543Z
  Scenarios launched: 11822
  Scenarios completed: 4083
  Number of requests made: 4083
  RPS: 387.48
  Request latency:
    min: 0.5
    max: 123.9
    median: 1
    p95: 5.7
    p99: 15.3
  Scenario duration:
    min: 1.1
    max: 128.1
    median: 2
    p95: 10
    p99: 19.2
  Codes:
    200: 4083

---

A test that went for 30 seconds with an average of 1000 requests per second errored out on my computer with "EMFILE: too many open files"