Riak Use Cases - Dissecting The Solutions To Hard Problems
Presented on November 29, 2012, by Basho Hacker Chris Molozian. This is a great slide deck for anyone looking to get a better impression of Riak, where it fits in the database space, and how people are using it in production.
more exotic ones include Multivalue and Tuple stores) • All are “optimized” for record storage • Arguably the largest categories are: "departs from the relational model altogether; it should therefore have been called more appropriately 'NoREL' " ~ Carlo Strozzi Friday, 30 November 12
more exotic ones include Multivalue and Tuple stores) • All are “optimized” for record storage • Arguably the largest categories are: Graph "departs from the relational model altogether; it should therefore have been called more appropriately 'NoREL' " ~ Carlo Strozzi Friday, 30 November 12
more exotic ones include Multivalue and Tuple stores) • All are “optimized” for record storage • Arguably the largest categories are: Graph Key-Value "departs from the relational model altogether; it should therefore have been called more appropriately 'NoREL' " ~ Carlo Strozzi Friday, 30 November 12
more exotic ones include Multivalue and Tuple stores) • All are “optimized” for record storage • Arguably the largest categories are: Graph Key-Value "departs from the relational model altogether; it should therefore have been called more appropriately 'NoREL' " ~ Carlo Strozzi Document Friday, 30 November 12
entity of some kind (i.e. User) • Edges - the relationship between nodes • Use when the important data is in the edges Node Node Node Edge Edge Edge Friday, 30 November 12
!exible collection of k/v pairs ("elds) • Use when most queries are not primary key Document UserID (key) : test_user Name : Chris Job : Engineer Friday, 30 November 12
key/value pair • Use when most queries are primary key or you can denormalize the data problem to k/v pair key value namespace key value key value Friday, 30 November 12
• With Riak, you tune the CAP values: • N: number of instances of your data • R: number of nodes Riak reads from • W: number of nodes Riak writes to, before optional further replication Friday, 30 November 12
• With Riak, you tune the CAP values: • N: number of instances of your data • R: number of nodes Riak reads from • W: number of nodes Riak writes to, before optional further replication • Per cluster, per bucket or per operation Friday, 30 November 12
cause data divergence. • Riak provides two solutions to manage this: • Last Write Wins Naive approach but works for some use cases Friday, 30 November 12
cause data divergence. • Riak provides two solutions to manage this: • Last Write Wins Naive approach but works for some use cases • Vector Clocks Retain “sibling” copies of data for merging Friday, 30 November 12
a random sibling." "For an array property, we often take the union of all values in all siblings. This works great for array properties that we only ever add to." Friday, 30 November 12
a random sibling." "For an array property, we often take the union of all values in all siblings. This works great for array properties that we only ever add to." "We often take the maximum sibling value or the minimum sibling value, depending on the semantics of that attribute." Friday, 30 November 12
a random sibling." "For an array property, we often take the union of all values in all siblings. This works great for array properties that we only ever add to." "We often take the maximum sibling value or the minimum sibling value, depending on the semantics of that attribute." ~ Myron Marston, SEOMoz Friday, 30 November 12
of game “states”. Rovio is an industry-changing entertainment media company based in Finland, and the creator of the globally successful Angry Birds franchise. Friday, 30 November 12
of game “states”. • Synchronization of user’s data across gaming devices. Rovio is an industry-changing entertainment media company based in Finland, and the creator of the globally successful Angry Birds franchise. Friday, 30 November 12
of game “states”. • Synchronization of user’s data across gaming devices. • Buckets: Account - Keyed by user_id Rovio is an industry-changing entertainment media company based in Finland, and the creator of the globally successful Angry Birds franchise. Friday, 30 November 12
events with calls to action. An Enterprise Social Network that brings together employees, content, conversations, and business data in a single location. Friday, 30 November 12
events with calls to action. • Data types consist of: Cursor, Item List, Items {id: 41626118990497, timestamp: 1300845012, category: “likes- message”, properties: {liker_id: 97238, [... etc]} } An Enterprise Social Network that brings together employees, content, conversations, and business data in a single location. Friday, 30 November 12
events with calls to action. • Data types consist of: Cursor, Item List, Items {id: 41626118990497, timestamp: 1300845012, category: “likes- message”, properties: {liker_id: 97238, [... etc]} } • Buckets: Cursor - Keyed by user_id + cursor_name Stream - Keyed by user_id An Enterprise Social Network that brings together employees, content, conversations, and business data in a single location. Friday, 30 November 12
events with calls to action. • Data types consist of: Cursor, Item List, Items {id: 41626118990497, timestamp: 1300845012, category: “likes- message”, properties: {liker_id: 97238, [... etc]} } • Buckets: Cursor - Keyed by user_id + cursor_name Stream - Keyed by user_id • SOA - known as “Streamie” An Enterprise Social Network that brings together employees, content, conversations, and business data in a single location. Friday, 30 November 12
most popular provider of SEO software. Their easy to use tools and tutorials make search engine optimization accessible to everyone. Friday, 30 November 12
of: Subscription(s), Ranking List, Ranking History, Recent Ranking Report... (etc) SEOmoz is the world’s most popular provider of SEO software. Their easy to use tools and tutorials make search engine optimization accessible to everyone. Friday, 30 November 12
of: Subscription(s), Ranking List, Ranking History, Recent Ranking Report... (etc) • Buckets: Ranking List - Keyed by engine+locale+keyword+URL_fragment Subscription - Keyed by user_campaign SEOmoz is the world’s most popular provider of SEO software. Their easy to use tools and tutorials make search engine optimization accessible to everyone. Friday, 30 November 12
Content Addressable Storage as a Service (like a private Dropbox cloud) • Oil/Gas Rig Environment Logging • Web Gaming Platforms Friday, 30 November 12
Content Addressable Storage as a Service (like a private Dropbox cloud) • Oil/Gas Rig Environment Logging • Web Gaming Platforms • Product Catalog (and other Retail use cases) Friday, 30 November 12
• Inter-connectivity of your data (how much can it be denormalised) • Polyglot solution (SOA + Database) (no single database "ts every problem) Friday, 30 November 12
• Inter-connectivity of your data (how much can it be denormalised) • Polyglot solution (SOA + Database) (no single database "ts every problem) Understand your data access patterns and you’ll be able to choose the right database for you Friday, 30 November 12
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![Questions? Chris Molozian, [email protected] Matthew Revell, [email protected] Friday, 30 November](https://files.speakerdeck.com/presentations/84417f501fad013041ed22000a9d04af/slide_91.jpg){kind=link}
