Sharding a data for balancing loads and ensuring availability

• Sharding MongoBD 
  • Exercise [Ex1-2Do2Handin] [cities]
  • Mongo reference guide [MongoDB-sharding-guide]

• NoSQL data stores: expressing queries using MapReduce and Javascript [javascript-mini-memento]

1. Ex 1: Building a document database: using CouchDB [Ex1] [Ex1-answers] [cURL 4 Windows]
2. Ex 2: Querying a document database [html]  [doc]  [answers on explicit demand]

Note: The data for the exercices are available at https://github.com/gevargas/bigdata-management

Lounching CouchDB  sudo -i -u couchdb couchdb -b