orbit-db/examples/benchmark.js
2016-10-04 19:07:30 +02:00

84 lines
2.2 KiB
JavaScript

'use strict';
// const ipfsd = require('ipfsd-ctl');
// const IPFS = require('ipfs')
// const ipfsd = require('ipfsd-ctl');
const IpfsApi = require('ipfs-api')
const OrbitDB = require('../src/OrbitDB');
const Timer = require('./Timer');
// usage: benchmark.js <network hash> <username> <channel>;
// orbit-server
const network = 'localhost:3333';
const username = process.argv[2] ? process.argv[2] : 'testrunner';
const password = '';
const channelName = process.argv[3] ? process.argv[3] : 'c1';
const startIpfs = () => {
return new Promise((resolve, reject) => {
// ipfsd.disposableApi((err, ipfs) => {
// if(err) console.error(err);
// resolve(ipfs);
// });
ipfsd.local((err, node) => {
if(err) reject(err);
node.startDaemon((err, ipfs) => {
if(err) reject(err);
resolve(ipfs);
});
});
// const ipfs = new IPFS('/tmp/benchmark')
// ipfs.goOnline(() => {
// resolve(ipfs)
// })
});
};
const util = require('util');
// Metrics
let totalQueries = 0;
let seconds = 0;
let queriesPerSecond = 0;
let lastTenSeconds = 0;
const queryLoop = (db) => {
// let timer = new Timer();
// timer.start();
db.add(username + totalQueries).then(() => {
// console.log(`${timer.stop(true)} ms - ${process._getActiveRequests().length} ${process._getActiveHandles().length}`);
// console.log(util.inspect(process.memoryUsage()));
totalQueries ++;
lastTenSeconds ++;
queriesPerSecond ++;
process.nextTick(() => queryLoop(db))
});
};
let run = (() => {
// Connect
console.log(`Connecting...`)
const ipfs = IpfsApi('localhost', '5002')
const orbit = new OrbitDB(ipfs, 'benchmark')
const db = orbit.eventlog(channelName)
// Metrics output
setInterval(() => {
seconds ++;
if(seconds % 10 === 0) {
console.log(`--> Average of ${lastTenSeconds/10} q/s in the last 10 seconds`);
if(lastTenSeconds === 0)
throw new Error("Problems!");
lastTenSeconds = 0;
}
console.log(`${queriesPerSecond} queries per second, ${totalQueries} queries in ${seconds} seconds`);
queriesPerSecond = 0;
}, 1000);
// Start
queryLoop(db);
})();
module.exports = run;