The State of NoSQL
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Given at Developer Day Durham 2010 by Ben Scofiel
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The State of NoSQL
- 1. The State of NoSQL bensco'ield – viget labs developer day durham 27 february 2010
- 2. Motivations
- 4. Meh
- 8. Charlie Chaplin Jet Li Hank Mann Marian Collier
- 9. Taxonomy
- 12. Performance high Scalability high Flexibility high Complexity none Functionality variable (none)
- 16. Performance high Scalability high Flexibility moderate Complexity low Functionality minimal
- 20. Performance high Scalability variable (high) Flexibility high Complexity low Functionality variable (low)
- 22. Graph Databases
- 23. graph theory
- 24. Performance variable Scalability variable Flexibility high Complexity high Functionality graph theory
- 27. Performance variable Scalability variable Flexibility low Complexity moderate Functionality relational algebra
- 28. Examples
- 29. Redis
- 31. In-‐Memory semi-‐persistent / fully persistent master-‐slave replication memory-‐bound
- 32. require 'redis' gl = Redis.new # A string gl['name'] = 'Kyle Rayner' gl['name'] gl.delete('name') # A list gl.push_tail 'to-dos', 'Lose Ion power' gl.push_tail 'to-dos', 'Mourn dead loved ones' gl.push_tail 'to-dos', 'Blow up zombie lanterns' gl.list_range('to-dos', 0, -1)
- 33. Tokyo Cabinet
- 35. Tables!?
- 37. require 'rufus/tokyo' # Key-value jli = Rufus::Tokyo::Cabinet.new('jl.tch') jli['members'] = [ 'Batman', 'Black Canary', 'Blue Beetle', 'Captain Marvel', 'Doctor Light', 'Doctor Fate', 'Guy Gardner', 'Martian Manhunter', 'Mister Miracle' ].to_yaml YAML.load(jli['members'])
- 40. require 'rufus/tokyo' # Table big7 = Rufus::Tokyo::Table.new('big7.tct') big7['s'] = {'name' => 'Superman', 'role' => 'deus ex machina'} big7['b'] = {'name' => 'Batman', 'role' => 'mastermind'} big7['gl'] = {'name' => 'Green Lantern', 'role' => 'space cop'} big7['f'] = {'name' => 'Flash', 'role' => 'speedster'} big7['mm'] = {'name' => 'Martian Manhunter', 'role' => '?'} big7['ww'] = {'name' => 'Wonder Woman', 'role' => 'hitter'} big7['a'] = {'name' => 'Aquaman', 'role' => 'fish-talking'} big7.query {|q| q.add_condition 'role', :streq, 'fish-talking' }
- 41. Cassandra
- 46. require 'cassandra' op = Cassandra.new('OnePiece') op.insert(:People, '1', {'name' => 'Luffy'}) op.insert(:People, '2', {'name' => 'Crocodile'}) op.insert(:People, '3', {'name' => 'Mr. 3'}) op.insert(:Fights, '1', {'opponents' => {UUID.new => '2'}}) op.insert(:Fights, '1', {'opponents' => {UUID.new => '3'}}) luffy_fights = op.get(:Fights, '1', 'opponents') luffy_fights.map {|t, opp| op.get(:People, opp, 'name')}
- 47. CouchDB
- 48. Web-‐Inspired JSON storage HTTP / RESTful interface
- 49. Views predeWined, updated incrementally javascript for map/reduce
- 50. Updates full, including embedded documents
- 51. require 'couchrest' konoha = CouchRest.database!('http://127.0.0.1:5984/konoha') naruto = konoha.save_doc { 'name' => 'Naruto Uzumaki', 'chakra' => 'wind' } shikamaru = konoha.save_doc { 'name' => 'Shikamaru Nara', 'chunin' => true } konoha.save_doc { '_id' => '_design/first', :views => { :chunin => { :map => 'function(doc){if(doc.chunin){emit(null, doc);}}' } } } puts konoha.views('first/chunin')['rows'].inspect
- 52. MongoDB
- 57. require 'mongo' avengers = Mongo::Connection.new.db('avengers') members = avengers.collection('members') members.insert {'name' => 'Ant-Man'} members.insert {'name' => 'Hulk'} members.insert {'name' => 'Iron Man'} members.insert {'name' => 'Thor'} members.insert {'name' => 'Wasp'} members.create_index('name') pym = members.find {'name' => 'Ant-Man'} pym['name'] = 'Giant-Man' pym.save members.remove {'name' => 'Hulk'} members.insert {'name' => 'Captain America'}
- 58. Riak
- 59. Ask Sean
- 60. also Web-‐Inspired JSON storage HTTP / RESTful interface links for relationships
- 62. ConWigurable store / read / write
- 63. require 'jiak' jc = JiakClient.new('127.0.0.1', 8098) jc.set_bucket_schema('supervillains', { 'allowed_fields' => ['name', 'alias', 'power'] }) jc.store({ 'bucket' => 'supervillains', 'key' => 'Normie', 'object' => { 'name' => 'Norman Osborn', 'alias' => 'Green Goblin', 'power' => 'Supreme jerkfacedness' }, 'links' => [] }) kth = jc.fetch('supervillains', 'Normie')
- 64. Neo4J
- 65. Structure nodes and edges key-‐value pairs
- 68. require 'neo4j' class Person include Neo4j::NodeMixin property :name, :mutant index :name, :mutant has_n :crushes has_n :hookups has_n :marriages def initialize(name, mutant = true) name = name mutant = mutant end end
- 69. Neo4j::Transaction.run do magneto = Person.new('Magneto') esme = Person.new('Esme') rogue = Person.new('Rogue') magda = Person.new('Magda', false) wasp = Person.new('Wasp', false) magneto.crushes << wasp magneto.hookups << rogue magneto.marriages << magda esme.crushes << magneto rogue.hookups << magneto magda.marriages << magneto end
- 70. magneto = Person.find(:name => 'Magneto') # Who likes Magneto? magneto.relationships.incoming(:crushes).nodes # Which non-mutants has Magneto dated? magneto.hookups{ !mutant? }.to_a
- 71. Simulations
- 72. Structure
- 73. people { ‘name’:‘Jimmy Olsen’ ‘title’:‘Superman’s Pal’ ‘company_id’:12441 } companies { _id:12441 ‘name’:‘Daily Planet’ }
- 75. mysql> SELECT * FROM people LIMIT 1 G *************************** 1. row *************************** id: 1 content: --- company: Daily Planet name: Jimmy Olsen title: Superman’s Pal
- 77. mysql> desc people; +-------+-------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-------+-------------+------+-----+---------+-------+ | id | int(11) | YES | | NULL | | | name | varchar(50) | YES | | NULL | | +-------+-------------+------+-----+---------+-------+ mysql> desc attributes; +-----------+--------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-----------+--------------+------+-----+---------+-------+ | id | int(11) | YES | | NULL | | | person_id | int(11) | YES | | NULL | | | attribute | varchar(50) | YES | | NULL | | | value | varchar(100) | YES | | NULL | | +-----------+--------------+------+-----+---------+-------+
- 78. Not Only SQL
- 80. Caching
- 82. Queues
- 84. Logging
- 86. Hybrid Domains
- 90. different scales
- 91. Photo Sharing user accounts uploaded photos
- 92. Next Steps
- 93. Explore
- 94. Database List http://internetmindmap.com/database_software NoSQL Google Group http://groups.google.com/group/nosql-‐discussion
- 96. Logical Modeling First be mindful
- 98. Application Templates start with something new
- 99. benscoWield @bscoWield ben.scoWield@viget.com http:/ /spkr8.com/bscoWield http:/ /viget.com/extend http: /benscoWield.com /