Perf test

a.js

const cp = require("child_process");
const http = require("http");
const fs = require("fs");
const path = require("path");
const express = require("express");

const tmpPath = path.resolve(__dirname, "tmpfile");

const app = express();

app.get("/", function(req, res, next) {
  cp.execFile(
    "ipfs",
    [
      "get",
      "--output=" + tmpPath,
      "/ipfs/QmS4ustL54uo8FzR9455qaxZwuMiUhyvMcX9Ba8nUH4uVv/readme"
    ],
    function(err, stdout, stderr) {
      const readStream = fs.createReadStream(tmpPath);
      const stat = fs.statSync(tmpPath);

      res.writeHead(200, "OK", {
        "Content-Length": stat.size,
        "Content-Type": "text/plain"
      });

      readStream.pipe(res);
    }
  );
});

app.listen(9615, function(err) {
  console.log(err);
});

/**
 * ➜  pref-spawn ab -n 1000 -c 100 http://localhost:9615/
This is ApacheBench, Version 2.3 <$Revision: 1807734 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests


Server Software:
Server Hostname:        localhost
Server Port:            9615

Document Path:          /
Document Length:        1091 bytes

Concurrency Level:      100
Time taken for tests:   12.108 seconds
Complete requests:      1000
Failed requests:        2
   (Connect: 0, Receive: 0, Length: 2, Exceptions: 0)
Total transferred:      1234803 bytes
HTML transferred:       1088818 bytes
Requests per second:    82.59 [#/sec] (mean)
Time per request:       1210.780 [ms] (mean)
Time per request:       12.108 [ms] (mean, across all concurrent requests)
Transfer rate:          99.59 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   1.2      0       7
Processing:   332 1183 231.8   1170    2323
Waiting:      330 1160 214.5   1148    2278
Total:        332 1184 231.9   1171    2324

Percentage of the requests served within a certain time (ms)
  50%   1171
  66%   1190
  75%   1208
  80%   1220
  90%   1237
  95%   1244
  98%   2217
  99%   2244
 100%   2324 (longest request)
➜  pref-spawn ab -n 1000 -c 100 http://localhost:9615/
This is ApacheBench, Version 2.3 <$Revision: 1807734 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests


Server Software:
Server Hostname:        localhost
Server Port:            9615

Document Path:          /
Document Length:        1091 bytes

Concurrency Level:      100
Time taken for tests:   12.390 seconds
Complete requests:      1000
Failed requests:        4
   (Connect: 0, Receive: 0, Length: 4, Exceptions: 0)
Total transferred:      1232615 bytes
HTML transferred:       1086636 bytes
Requests per second:    80.71 [#/sec] (mean)
Time per request:       1238.963 [ms] (mean)
Time per request:       12.390 [ms] (mean, across all concurrent requests)
Transfer rate:          97.16 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   1.4      0       8
Processing:   320 1214 225.4   1182    2314
Waiting:      320 1164 206.8   1162    2275
Total:        321 1215 225.4   1182    2315




Percentage of the requests served within a certain time (ms)
  50%   1182
  66%   1230
  75%   1235
  80%   1239
  90%   1406
  95%   1435
  98%   1988
  99%   2163
 100%   2315 (longest request)
 */

b.js

const http = require("http");
const fs = require("fs");
const path = require("path");
const express = require("express");
const axios = require("axios");

const tmpPath = path.resolve(__dirname, "tmpfile");

const app = express();

app.get("/", function(req, res, next) {
  axios({
    method: "get",
    url:
      "http://localhost:8080/ipfs/QmS4ustL54uo8FzR9455qaxZwuMiUhyvMcX9Ba8nUH4uVv/readme",
    responseType: "stream"
  })
    .then($ => {
      res.writeHead(200, "OK", $.headers);

      $.data.pipe(res);
    })
    .catch($ => {
      res.writeHead(500);
      res.end();
    });
});

app.listen(9615, function(err) {
  console.log(err);
});

/*

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.9      0       5
Processing:    41   81  16.4     80     120
Waiting:       41   81  16.4     80     120
Total:         46   82  16.0     80     120

              min  mean[+/-sd] median   max
Connect:        0    1   1.2      0       7
Processing:    54   77   9.2     76     115
Waiting:       54   77   9.2     76     115
Total:         54   78   9.1     76     117

              min  mean[+/-sd] median   max
Connect:        0    1   1.3      0       7
Processing:    36   70  10.9     73      91
Waiting:       36   70  10.9     73      91
Total:         42   71  10.3     73      91

              min  mean[+/-sd] median   max
Connect:        0    1   1.2      0       6
Processing:    20   69  16.1     71     104
Waiting:       20   69  16.1     71     104
Total:         26   69  15.4     71     104
*/

c.js

const http = require("http");
const fs = require("fs");
const path = require("path");
const express = require("express");
const axios = require("axios");
const ipfsAPI = require("ipfs-api");

var ipfs = ipfsAPI("/ip4/127.0.0.1/tcp/8080");

const tmpPath = path.resolve(__dirname, "tmpfile");

const app = express();

app.get("/", function(req, res, next) {
  ipfs.files.get(
    "/ipfs/QmS4ustL54uo8FzR9455qaxZwuMiUhyvMcX9Ba8nUH4uVv/readme",
    function(err, result) {
      res.writeHead(200, "OK");

      res.write(result[0].content);
      res.end();
    }
  );
});

app.listen(9615, function(err) {
  console.log(err);
});

/*

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   1.2      0       6
Processing:    39   90  20.9     97     130
Waiting:       39   90  21.0     97     130
Total:         44   91  20.2     98     130

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   1.2      0      12
Processing:    25   93  23.4     97     143
Waiting:       25   93  23.5     97     143
Total:         30   94  23.0     97     143

*/

Test command.md

ab -n 1000 -c 100 http://localhost:9615/