Hippo GetTogether: The architecture behind Hippos relevance platform

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Building a relevance platform with Couchbase and Elasticsearch Hippo GetTogether, 21 June 2013 Jeroen Reijn | @jreijn | #hgt2013 Hippo GetTogether 2013 follow the Hippo trail

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follow the Hippo trail Hippo GetTogether 2013 About me • Architect @ Hippo • DevOps guy • Blogger @ http://blog.jeroenreijn.com

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Relevance?

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto “The capability of a search engine or function to retrieve data appropriate to a user's needs.” http://www.thefreedictionary.com/relevance

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto How we deliver relevant content @Hippo

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follow the Hippo trail Hippo GetTogether 2013 Registration Visitor - entity making HTTP requests Collector - records data about a visitor or his behavior Example: location collector (GeoIPCollector) Targeting Data - all data about a speciﬁc visitor Example: IP address is located in Amsterdam

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follow the Hippo trail Hippo GetTogether 2013 Matching Characteristic - a type of fact about visitors Example: "comes from a city", "experiences a type of weather" Target Group - the speciﬁcation of a Characteristic Example: "comes from a European city", "comes from Amsterdam" Persona - one or more target groups that describe a certain type of visitor Example: "Jim, the European urban consumer", "Alice, the Pet owner"

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follow the Hippo trail Hippo GetTogether 2013 What do we store? Request log Targeting data Statistics Averages, e.g. how many visitors became which persona

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto BIG DATA !!

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follow the Hippo trail Hippo GetTogether 2013 Real-time analysis

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Architecture

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follow the Hippo trail Hippo GetTogether 2013 RDBMS Hippo Delivery Tier Hippo Repository App server XML JSON (X)HTML

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follow the Hippo trail Hippo GetTogether 2013 Delivery Tier URL Matching Fetch content Compose output Request Response

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follow the Hippo trail Hippo GetTogether 2013 Delivery Tier URL Matching Targeting Data Collection Compose output Request Response Fetch content Scoring

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Scaling

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follow the Hippo trail Hippo GetTogether 2013 RDBMS Hippo Delivery Tier Hippo Repository App server Hippo Delivery Tier Hippo Repository App server Scaling out

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follow the Hippo trail Hippo GetTogether 2013 RDBMS Delivery Tier Repository App server Delivery Tier Repository App server Scaling out Targeting Datastore

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto What kind of ‘storage’?

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Question?

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follow the Hippo trail Hippo GetTogether 2013 Distributed Cache?

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follow the Hippo trail Hippo GetTogether 2013 We have a winner!

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Requirements change!

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto NoSQL to the rescue

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follow the Hippo trail Hippo GetTogether 2013 Suitable types • Key-value store • Document database

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follow the Hippo trail Hippo GetTogether 2013 Assessment Criteria Maturity Data model Consistency model Performance Replication Caching model Query model Monitoring Scalability Reliability Support

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follow the Hippo trail Hippo GetTogether 2013 Selection Criteria • Performance • Scalability • Schema ﬂexibility • Simplicity • Monitoring • Support

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Performance !! Performance !!!!

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Scalability

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Schema ﬂexibility

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follow the Hippo trail Hippo GetTogether 2013 { "visitorId": "7a1c7e75-8539-40", "pageUrl": "http://localhost:8080/site/news", "pathInfo": "/news", "remoteAddr": "127.0.0.1", "referer": "http://localhost:8080/site/", "timestamp": 1371419505909, "collectorData": { "geo": { "country": "", "city": "", "latitude": 0, "longitude": 0 }, "returningvisitor": false, "channel": "English Website" }, "personaIdScores": [], "globalPersonaIdScores": [] } Request log document

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follow the Hippo trail Hippo GetTogether 2013 { "geo": { "collectorId": "geo", "city": "", "country": "", "latitude": 0, "longitude": 0 }, "channel": { "collectorId": "channel", "channels": [ "English Website" ], "lastVisitedChannel": "English Website" } } Visitor document

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Simplicity

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Monitoring

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Support

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Couchbase

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follow the Hippo trail Hippo GetTogether 2013 Why Couchbase? • Drop-in replacement for memcached • Read/Write-through cache • High throughput • Easy scalability • Schema ﬂexibility • Low latency

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follow the Hippo trail Hippo GetTogether 2013 Couchbase • Open Source • Document-oriented • Easy Scalable • Consistent High Performance • Apache license

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follow the Hippo trail Hippo GetTogether 2013 Performance • Object managed cache • Write Queue to disk • Avoids Cold Cache

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follow the Hippo trail Hippo GetTogether 2013 Easy scalable • Auto sharding • Cross cluster replication (XDCR) • Master - Master replication

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follow the Hippo trail Hippo GetTogether 2013 Flexible data model • Native JSON support • Incremental Map Reduce • Gives power to the developer

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto How we run Couchbase @Hippo

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follow the Hippo trail Hippo GetTogether 2013 Load Balancer Database cluster Hippo Delivery Tier Couchbase cluster •Request log data •Targeting data •Statistics data

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follow the Hippo trail Hippo GetTogether 2013 Query capabilities • Querying via views • Secondary indexes via views • Views based on Map - Reduce • Lacks some advanced query capabilities

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follow the Hippo trail Hippo GetTogether 2013 Elasticsearch • Apache Lucene • Designed to be distributed • Schema free • Apache license • RESTful API

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follow the Hippo trail Hippo GetTogether 2013 Added value of ES • Full text search • Faceted search • Geo spatial search • All in (near) real-time

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follow the Hippo trail Hippo GetTogether 2013 Couchbase Server Cluster Elasticsearch Server Cluster Hippo Delivery Tier Java API Write Read XDCR Couchbase ES Transport plugin Replicating to ES

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto What’s Next?

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto What’s Next?

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follow the Hippo trail Hippo GetTogether 2013 Advanced analytics

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Demo time!

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follow the Hippo trail Hippo GetTogether 2013 OneHippo @ Goto Thank you! Questions? [email protected] | @jreijn ps. We’re hiring!