Getting Started with Riak - NoSQL Live 2010 - Boston

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Riak (http://basho.com), a dynamo-inspired, open-source key/value datastore, was built to scale from a single machine to a 100+ cluster without driving you or your operations team crazy. …

Riak (http://basho.com), a dynamo-inspired, open-source key/value datastore, was built to scale from a single machine to a 100+ cluster without driving you or your operations team crazy.

This presentation points out the characteristics of Riak that become important in small, medium, and large clusters, and then demonstrates the Riak API via the Python client library.

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  • 1. Getting started with Riak NoSQL Live · Boston, MA · March 2010 Rusty Klophaus (@rklophaus) Sr. Engineer | Basho Technologies http://www.basho.com rusty@basho.com
  • 2. Introductions Rusty Klophaus Bryan Fink • Senior Engineer • Engineering Manager • Joined in August ‘09 • Joined in February ’08 Andy Gross Mark Phillips • VP of Engineering • Community Manager • Joined in December ’07 • Joined in April ’08 2
  • 3. Follow the team: @basho/team 3
  • 4. There are 47 different NoSQL projects... Where does Riak fit in? 4
  • 5. Riak is a Dynamo-inspired key/value datastore built to scale predictably and easily. 5
  • 6. Riak is a Dynamo-inspired key/value datastore built to scale predictably and easily. Your ops guy: calm, relaxed, and wearing a party hat.
  • 7. What characteristics of Riak become important at different cluster sizes? 7
  • 8. Single Box Riak • NoSQL - Key/Value, Flexible Schema • Clients in Ruby, Python, Javascript, Java, PHP, Erlang • Development Interface === Production Interface • Configurable Buckets - “A Profile is not an .mp3” • Links - Lightweight Data Relations 8
  • 9. Small Riak Cluster (~3 boxes) • Distributed Queries for Performance / Capacity • Javascript-based Map/Reduce (mini-Hadoop) • Well-Behaved HTTP • nginx proxy config - http://gist.github.com/323048 9
  • 10. Large Riak Cluster (10+ boxes) • Homogenous - No special nodes • Laugh in the face of machine failure • Scale by adding machines • Self-Contained Installation 10
  • 11. Enterprise ($$$ / ~10’s of boxes) • On-Call Support 24x7x365 • Management Tools • SNMP Monitoring • Multi-site Replication 11
  • 12. Enterprise ($$$ / ~10’s of boxes) • On-Call Support 24x7x365 • Management Tools • SNMP Monitoring • Multi-site Replication 12
  • 13. Tutorial Get Riak Connect with a Client Store Data Store an Object with Links Linkwalking Map/Reduce 13
  • 14. Get Riak Download http://downloads.basho.com/riak Start Riak cd riak bin/riak start 14
  • 15. Connect with Python # Code is in ./riak/client_lib/python import riak # Connect client = riak.RiakClient('127.0.0.1', 8098) 15
  • 16. Store Data mybucket = client.bucket('mybucket') # Create an object... obj = mybucket.new('myobject') obj.set_data({ 'foo' : 1, 'bar' : 2 }) obj.store() # Read the object... obj = mybucket.get('myobject') print obj.get_data() # Or, open a web browser... http://127.0.0.1:8098/riak/mybucket/myobject 16
  • 17. Store an Object with Links bands = client.bucket('bands') albums = client.bucket('albums') members = client.bucket('members') # Store a band, link to album and members... obj = bands.new('Winger') .add_link(albums.new('Pull', 1275922).store()) .add_link(albums.new('IV', 542731).store()) .add_link(albums.new('Karma', 200170).store()) .add_link(members.new('Kip Winger').store()) .add_link(members.new('Reb Beach').store()) .add_link(members.new('John Roth').store()) .add_link(members.new('Rod M.').store()) .store() 17
  • 18. Linkwalking # Get the albums... albums = obj.link('albums').run() # Get the songs (assumes data is present)... songs = obj.link('albums').link('songs').run() # Get the members... members = riak.MapReduce(client) .add('bands', 'Winger') .link('members') .run() 18
  • 19. Map/Reduce # Count the number of sales... result = obj .link('albums') .map("function(v) { return [v.values[0].data]; }") .reduce("Riak.reduceSum") .run() 19
  • 20. Thanks! / Questions? Questions? • riak-users@lists.basho.com (Public Mailing List) • riak@basho.com (Core Riak Team) • Follow @basho/team (Basho Twitter List) Riak Resources • http://riak.basho.com • http://downloads.basho.com • ./riak/client_lib <--- Python, JS, Java, PHP libraries 20