The JavaScript Database, for Node.js, nw.js, electron and the browser
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nedb/benchmarks/loadDatabase.js

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const Datastore = require('../lib/datastore')
const benchDb = 'workspace/loaddb.bench.db'
const async = require('async')
const commonUtilities = require('./commonUtilities')
const ExecTime = require('exec-time')
const profiler = new ExecTime('LOADDB BENCH')
const d = new Datastore(benchDb)
const program = require('commander')
program
.option('-n --number [number]', 'Size of the collection to test on', parseInt)
.option('-i --with-index', 'Test with an index')
.parse(process.argv)
const n = program.number || 10000
console.log('----------------------------')
console.log('Test with ' + n + ' documents')
console.log(program.withIndex ? 'Use an index' : "Don't use an index")
console.log('----------------------------')
async.waterfall([
async.apply(commonUtilities.prepareDb, benchDb),
function (cb) {
d.loadDatabase(cb)
},
function (cb) { profiler.beginProfiling(); return cb() },
async.apply(commonUtilities.insertDocs, d, n, profiler),
async.apply(commonUtilities.loadDatabase, d, n, profiler)
], function (err) {
profiler.step('Benchmark finished')
if (err) { return console.log('An error was encountered: ', err) }
})