@betit/orion/benchmark/orion_trans_reqres.js

Pluggable microservice framework

const orion = require('..');

const codec = new orion.MsgPackCodec();

const server = new orion.NatsTransport();
const client = new orion.NatsTransport();

///////////////////////////////////////
// Request Performance
///////////////////////////////////////

const timeout = 20000;
const loop = 100000;
const hash = 1000;
let received = 0;

console.log('Request Performance Test');

let start = new Date();

server.handle('echo', 'perf', (req, reply) => {
  const request = codec.decode(req);
  const res = codec.encode(request);
  reply(res);
});

server.listen(() => {
  const req = codec.encode({ a: 2, b: 3 });
  for (let i = 0; i < loop; i++) {
    client.request('echo', req, res => {
      if (res instanceof Error) {
        console.log('Error:', res.message);
        process.exit();
      }
      const response = codec.decode(res);
      received += 1;
      if (received === loop) {
        let stop = new Date();
        let rps = parseInt(loop / ((stop - start) / 1000));
        console.log('\n' + rps + ' request-responses/sec');
        let lat = parseInt(((stop - start) * 1000) / (loop * 2)); // Request=2, Reponse=2 RTs
        console.log('Avg roundtrip latency: ' + lat + ' microseconds');
        process.exit();
      } else if (received % hash === 0) {
        process.stdout.write('+');
      }
    }, timeout);
  }
});