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Scaling AppNexus APIs

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October 24, 2013
Technology
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200

Scaling AppNexus APIs

By Ben John @ API Strategy & Practice Conference
San Francisco, October 23-24-25, 2013

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API Strategy & Practice Conference

October 24, 2013
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Transcript

  1. Scaling AppNexus APIs Ben John Oct 24 2013

  2. What Does AppNexus Do? 2

  3. How Does RTB Work? Bid: $2.50 Bid: $3.25 Bid: $4.10

    300x250 …all in 100 milliseconds User Advertiser 1 Advertiser 2 Advertiser 3 WINNING BID 300x250 Ad Served

  4. AppNexus Universe 4

  5. A little about our scale… 5

  6. 69 billion ad impression requests
 6

  7. 20 billion ads per day
 7

  8. 55 TB of data
 8

  9. Peak 1 million requests per second
 9

  10. What does that mean to API scaling? 10

  11. What’s our API scaling challenge? 11

  12. 1. Not two API clients are the same
 12

  13. 2. Platform resiliency 13

  14. Resiliency 14 API API MySQL master MySQL slave MemCache MySQL

    slave MySQL slave Data Center Data Center Data Center API API API GSLB Load balancing

  15. 3. Engineering productivity & 
 Platform Agility 15

  16. What’s our API Strategy? 16

  17. 1. Different “Service types” offerings 17

  18. 2. Async, Parallel, Unblocking io calls 18

  19. 19

  20. None

  21. 3. Embrace Decoupling 21

  22. Thank you! 22