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How data rule the world Kristoffer Benjaminsson CTO

How data rule the world Kristoffer Benjaminsson CTO. Easy?. Easy is a studio within EA Games that do free to play games Originates from DICE 3 live titles Battlefield Heroes Battleforge Lord of Ultima. Trailer. Telemetry - Wikipedia.

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How data rule the world Kristoffer Benjaminsson CTO

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  1. How data rule the world Kristoffer Benjaminsson CTO

  2. Easy? • Easy is a studio within EA Games that do free to play games • Originates from DICE • 3 live titles • Battlefield Heroes • Battleforge • Lord of Ultima

  3. Trailer

  4. Telemetry - Wikipedia ” Telemetry (synonymous with telematics) is a technology that allows remote measurement and reporting of information. The word is derived from Greek roots tele = remote, and metron = measure.”

  5. Telemetry - Easy • Data that helps us make decisions to provide a better service for our players • Provides answers to specific questions • Multiple sources • Financial data • Game statistics • Web behaviour data • Game telemetry • Vertical slice of the player population

  6. Why bother? • We prefer to know what is going on instead of guessing • We can measure results from actions • Data do not (usually) lie • Forums not representative • Less than 20% read forum posts • Less than 5% post in forums

  7. Game telemetry examples • Latency data • Punkbuster kicks • Matchmaking • Time to level • Hardware profiles • Play time

  8. Architecture Game Client Magma DB Reporting Game Server

  9. Implementation • TelemetryManager sends data to our backend for database storage • Hooks in the game code collects data • Hooks are records packed as name value pairs • Each record will create its own table in the database • All telemtry includes a common identifer so we can cross reference data between telemetry hooks

  10. Example record class PingRecord : public ITelemetryRecord { public: PingRecord(const std::string& clientIp, const std::string& serverIp, int ping, const std::string& dataCenter, const std::string& community); public: virtual boolhasType( inttypeId ) const { return typeId == RTPing; } virtual bool assimilate( const ITelemetryRecord* other ) { return false; } virtual IDataCollector::DataRef buildData() const; private: std::string m_clientIp; std::string m_serverIp; int m_ping; std::string m_dataCenter; std::string m_community; };

  11. Example usage player->addTelemetry(new backend::telemetry::PingRecord(clientIp, serverAddressAndPort, conn->getAveragePing(), serverSettings->getProdDataCenter(), serverSettings->getServerCommunity()));

  12. Real life examples

  13. High latency - before

  14. Why were people in Europe being matchmade to Australia and North America?

  15. High latency - after

  16. How did we do it? • Generated an HTML page • GeoIP City • A bit of C# • Google Maps API • Telemetry data • A bit of SQL

  17. Example page <html> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script> <script type="text/javascript"> function initialize() { var latlng = new google.maps.LatLng(45.5735931396484, 12.1060943603516); var myOptions = { zoom: 2, center: latlng, mapTypeId: google.maps.MapTypeId.ROADMAP }; var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions); var marker = null; var coords = null; var path = null; marker = new google.maps.Marker({ position: new google.maps.LatLng(59.433, 24.728), map: map, title:"gva, 62.65.243.167" , icon: "client.png" }); marker = new google.maps.Marker({ position: new google.maps.LatLng(52.350, 4.916), map: map, title:"gva" , icon: "server.png" }); coords = [new google.maps.LatLng(59.433, 24.7283), new google.maps.LatLng(52.350, 4.916)]; path = new google.maps.Polyline({ path: coords, strokeColor: "#ff0000", strokeOpcaity: 0.5, strokeWeight: 1}); path.setMap(map); } </script> </head> <body onload="initialize()"> <div id="map_canvas" style="width: 100%; height: 100%"></div> </body> </html>

  18. Google Maps

  19. Punkbuster - before

  20. Punkbuster - after

  21. How did we do it? • Microsoft SQL Server 2008: Reporting Services • Standard BI tool • Easy to create charts and tables • Updates on a daily basis

  22. During development

  23. Asserts • We collect all asserts fromboth client and server • We differentiate between content asserts and code asserts • We have leaderboards and summaries • Top 10 asserts • Total content/code asserts per branch • Provides guidance to what we need to fix

  24. Fragalyzer • Level design helper tool • Collects information about how a map is played • Kill position • Killed from position • Player/Vehicle movement • Etc • Currently collected locally on a game server

  25. Summary • Telemetry is awesome! • Collect data to answer specific queries • Build a flexible system to make it super easy to add new telemetry hooks • Chose the right reporting tools to mine and report on the data

  26. Questions?

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