Created
November 25, 2013 17:06
-
-
Save cschlyter/7644738 to your computer and use it in GitHub Desktop.
[Nodejs] [Mongodb] Batch insert controller for mongodb using nodejs. Taken from:
http://stackoverflow.com/questions/12313915/node-jsloop-insert-1000000-documents-to-mongodb-via-native-driver-why-node-ta
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
var mongo = require('mongodb'); | |
var Inserter = function (collection) { | |
this.collection = collection; | |
this.data = []; | |
this.maxThreads = 6; | |
this.currentThreads = 0; | |
this.batchSize = 5000; | |
this.queue = 0; | |
this.inserted = 0; | |
this.startTime = Date.now(); | |
}; | |
Inserter.prototype.add = function(data) { | |
this.data.push(data); | |
}; | |
// Use force=true for last insert | |
Inserter.prototype.insert = function(force) { | |
var that = this; | |
if (this.data.length >= this.batchSize || force) { | |
if (this.currentThreads >= this.maxThreads) { | |
this.queue++; | |
return; | |
} | |
this.currentThreads++; | |
console.log('Threads: ' + this.currentThreads); | |
this.collection.insert(this.data.splice(0, this.batchSize), {safe:true}, function() { | |
that.inserted += that.batchSize; | |
var currentTime = Date.now(); | |
var workTime = Math.round((currentTime - that.startTime) / 1000) | |
console.log('Speed: ' + that.inserted / workTime + ' per sec'); | |
that.currentThreads--; | |
if (that.queue > 0) { | |
that.queue--; | |
that.insert(); | |
} | |
}); | |
} | |
}; | |
var db = new mongo.Db('test', new mongo.Server('localhost', 27017, {}), {native_parser:false}); | |
db.open(function(err, db) { | |
db.collection('test', function(err, collection) { | |
var inserter = new Inserter(collection); | |
setInterval(function() { | |
for (var i = 0; i < 5000; i++) { | |
inserter.add({test:'test'}); | |
} | |
inserter.insert(); | |
}, 0); | |
}); | |
}); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment