NoSQL Concepts live with MongoDB
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This talk shows and demonstrates concepts of a document-oriented NoSQL database. Flexible database schema, transaction model, performance by horizontal scalability and agile development will be explained and demonstrated in MongoDB. How dows a document look like in MongoDB? How are documents being searched? Which concepts are the basis of sharding? How are data replicated? This session gives short and vivid answers.
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NoSQL Concepts live with MongoDB
- 2. Astrid Ritscher Principal Consultant astrid.ritscher@acando.de Acando GmbH Business Area Nord Millerntorplatz 1 20359 Hamburg Germany © Acando GmbH
- 4. NoSQL .. is (not only) an answer to Big Data with focus on performance and scalability. © Acando GmbH
- 6. Document oriented track _id : 435 album : „Neon Bible“ artist : „Arcade Fire“ track count : 11 track number : 2 name : „Keep The Car Running“ genre : „Rock“ © Acando GmbH
- 7. • Document oriented • General Purpose • Open Source • Community Driven • Commodity Hardware © Acando GmbH
- 8. MongoDB Customers © Acando GmbH
- 9. Schema • Collection • Document • JSON/BSON © Acando GmbH { ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! } "_id" : 123, "Album" : "Neon Bible", "Album Artist" : "Arcade Fire", "Disc Count" : 1, "Track Count" : 11, "Tracks" : [ ! { ! ! "_id" : 733, ! ! "Name" : "Black Mirror", ! ! "Composer" : "Richard Reed Parry", ! ! "Genre" : "Rock" ! }, ! { ! ! "_id" : 735, ! ! "Name" : "Keep The Car Running", ! ! "Composer" : "Arcade Fire", ! ! "Genre" : "Rock" ! }, ... ]
- 10. Schema vs. Relational album album _id id album album album artist album artist track count track count tracks track track _id _id id id name name name name composer composer composer composer genre genre genre album_id album_id © Acando GmbH
- 11. Live start mongod, show insert, find, update and delete © Acando GmbH
- 12. Aggregation SELECT genre, count(genre) FROM tracks GROUP BY genre ORDER BY count(genre) DESC LIMIT 5 > db.tracks.aggregate( {$group: { _id : "$Genre", tracks:{$sum:1}}}, {$sort: {tracks:-1}}, {$limit:5} ) © Acando GmbH
- 13. Performance http://idcdocserv.com/1414 (28.1.2014) Horizontal Scalability: Sharding © Acando GmbH
- 15. Sharding Your Application Native Driver Router mongos Config mongod © Acando GmbH Shard 1 mongod Shard 2 mongod Shard 3 mongod
- 16. Sharding Shard Collection: tracks Shard Key: Artist A-B C-F G-T U-Z chunk 1 chunk 2 chunk 3 chunk 4 Shard 1 chunk 1 chunk 3 © Acando GmbH Shard 2 chunk 2 Shard 3 chunk 4
- 17. Live start shard, config server and router initialize sharding for a collection show shard distribution and chunks © Acando GmbH
- 18. Sharding in Production Your Application Native Driver Router mongos Config Shard 1 mongos Shard 2 mongos Shard 3 mongod mongod mongod mongod mongod mongod mongod mongod © Acando GmbH mongod mongod mongod mongod
- 19. Conclusions RDBMS Fixed Schema Flexible Schema Joins No Joins Transactions no Transactions over Collections Vertically scalable © Acando GmbH Document oriented Horizontally scalable by Sharding
- 20. Astrid Ritscher Principal Consultant astrid.ritscher@acando.de Acando GmbH Business Area Nord Millerntorplatz 1 20359 Hamburg Germany © Acando GmbH
- 21. Literature NoSQL Distilled von Pramodkumar J. Sadalage; Martin Fowler Auflage: Jahr: 2012 ISBN: 9780321826626 Verlag: Addison-Wesley Educational.. Produkt-Art: Softcover MongoDB Applied Design Patterns von Rick Copeland Practical Use Cases with the Leading NoSQL Database Auflage: Jahr: 2013 ISBN: 9781449340049 Verlag: O'Reilly Media, Inc, USA Produkt-Art: Softcover © Acando GmbH
- 22. Literature MongoDB: The Definitive Guide von Kristina Chodorow Powerful and Scalable Data Storage Auflage: 2 Jahr: 2013 ISBN: 9781449344689 Verlag: O'Reilly Media, Inc, USA Produkt-Art: Softcover © Acando GmbH