an aggregator for blogs about MongoDB

Implementing pagination with MongoDB, Express.js & Slush

MongoDB accepts and provides access to data in the Javascript Object notation (JSON) format. This makes MongoDB a perfect fit when dealing with javascript based REST services. In this post, we will take a look at Pagination using MongoDB. We will scaffold a simple Express/Mongojs application using slush-mongo. Then we will use skip() and limit() to fetch the required records from a set of [...]

Explaining Ark Part 1: The Basics

Last week, we introduced Ark, a consensus algorithm similar to Raft and Paxos we’ve developed for TokuMX and MongoDB. The purpose of Ark is to fix known issues in elections and failover. While the tech report detailing Ark… explains everything

Tutorial: Scaling Meteor with MongoDB oplog tailing

Ever since Meteor 0.7.0 first introduced oplog tailing, we’ve had a lot of users asking us about using the MongoDB oplog with their Meteor applications. As a result, we thought a step-by-step tutorial would help folks get started. Meteor Oplog Tailing Overview If you’re still feeling your way around the Meteor framework, you may not […]

mgo release r2014.07.21, now at

This is a special release of mgo, the Go driver for MongoDB. Besides the several new features, this release marks the change of the Go package import path to, after years using the current one based on a static file that lives at Note that the package API is still not changing in […]

Experimental Pluggable Storage Engines in MongoDB

At MongoDB World last month MongoDB founder and CTO Eliot Horowitz announced support for pluggable storage engines scheduled for the 2.8 release. This is exciting stuff as it means mongo users will now be able to choose a storage engine that best suits their workload and with the API planned to have full support of All... Read more »

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