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From our Customers

With foursquare's growing popularity, we were fast approaching the point where it would no longer be feasible to store user checkins on a single physical machine. MongoDB's auto-sharding capabilities enabled us to easily transition to a multi-node cluster that will enable us to continue to grow for the foreseeable future.

Harry Heymann Engineering Lead, foursquare

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Replication and Replica Sets

Chris Westin, Software Engineer, 10gen

cwestin     @cwestin63
Posted on 2011-12-01

Slides

MongoDB supports replication for failover and redundancy. In this session we will introduce the basic concepts around replica sets which provide automated failover and recovery of nodes. We'll show you how to set up, configure, and initiate a replica set, and methods for using replication to scale reads. We'll also discuss proper architecture for durability.

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