Justin.tv and AWS <ul><li>Kyle Vogt - VP of Engineering </li></ul>
Brief Intro <ul><li>Justin’s 24/7 “Lifecast” starts March 2007 </li></ul><ul><li>Live Flash video and interactive chat </l...
Police Raid Prank Hands up!  SF Police! Who was stabbed?
Justin.tv (the business) <ul><li>VC funded in July </li></ul><ul><li>6M hits / month </li></ul><ul><li>300 broadcasters </...
Growing quickly... Page views up  300%  in a month.
Architecture <ul><li>Phase I - March 2007 </li></ul><ul><ul><li>Vitalstream CDN running FMS </li></ul></ul><ul><ul><li>1 b...
Architecture <ul><li>Phase II - May 2007 </li></ul><ul><ul><li>Stream splitter + Wowza </li></ul></ul><ul><ul><li>1 broadc...
Architecture <ul><li>Phase III - July 2007 </li></ul><ul><ul><li>Python Media Server </li></ul></ul><ul><ul><li>1,000 broa...
AWS By the Numbers 3,170,680 minutes of archived video 50 GB new archive video / day 250 mbps average live bandwidth 1,700...
Financial Comparison 125kbps video stream Provider Cost per user / hour Incremental Savings Time Investment Hardware Cost ...
Bad things <ul><li>Temptation to de-scale to save a buck </li></ul><ul><li>DB and Memcached outside EC2 </li></ul><ul><li>...
Good things <ul><li>Scaling your website in seconds </li></ul><ul><li>Serving big objects from EC2 / S3 </li></ul><ul><li>...
Thanks.
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AWS Customer Presentation - Justin.tv

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Kyle Vogt of Justin.tv presents at Amazon Web Services The Start-Up Project - San Francisco

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AWS Customer Presentation - Justin.tv

  1. 1. Justin.tv and AWS <ul><li>Kyle Vogt - VP of Engineering </li></ul>
  2. 2. Brief Intro <ul><li>Justin’s 24/7 “Lifecast” starts March 2007 </li></ul><ul><li>Live Flash video and interactive chat </li></ul><ul><li>Network for cool live broadcasts </li></ul>Hot-shot Hot <ul><li>Everything recorded and browse-able </li></ul>
  3. 3. Police Raid Prank Hands up! SF Police! Who was stabbed?
  4. 4. Justin.tv (the business) <ul><li>VC funded in July </li></ul><ul><li>6M hits / month </li></ul><ul><li>300 broadcasters </li></ul><ul><li>7 full-time employees </li></ul><ul><li>Lots of AWS </li></ul>
  5. 5. Growing quickly... Page views up 300% in a month.
  6. 6. Architecture <ul><li>Phase I - March 2007 </li></ul><ul><ul><li>Vitalstream CDN running FMS </li></ul></ul><ul><ul><li>1 broadcaster (Justin) </li></ul></ul><ul><ul><li>Adequate capacity </li></ul></ul>Expensive. 60% of connections failed!
  7. 7. Architecture <ul><li>Phase II - May 2007 </li></ul><ul><ul><li>Stream splitter + Wowza </li></ul></ul><ul><ul><li>1 broadcaster (Justin) </li></ul></ul><ul><ul><li>1,000 streams </li></ul></ul>Servers crashed every 2 hours! Limited capacity.
  8. 8. Architecture <ul><li>Phase III - July 2007 </li></ul><ul><ul><li>Python Media Server </li></ul></ul><ul><ul><li>1,000 broadcasters </li></ul></ul><ul><ul><li>100,000 streams </li></ul></ul>More sleep for me. Reliable and scalable.
  9. 9. AWS By the Numbers 3,170,680 minutes of archived video 50 GB new archive video / day 250 mbps average live bandwidth 1,700 mbps peak live bandwidth 10 to 100 EC2 instances
  10. 10. Financial Comparison 125kbps video stream Provider Cost per user / hour Incremental Savings Time Investment Hardware Cost CDN $0.135 n/a Very Little None Amazon Web Services $0.0074 18x Some None Datacenter $0.0017 4x Lots $$$$$
  11. 11. Bad things <ul><li>Temptation to de-scale to save a buck </li></ul><ul><li>DB and Memcached outside EC2 </li></ul><ul><li>Using S3 where a CDN is better </li></ul><ul><li>... not much else </li></ul>
  12. 12. Good things <ul><li>Scaling your website in seconds </li></ul><ul><li>Serving big objects from EC2 / S3 </li></ul><ul><li>Using source control and deployment tools </li></ul><ul><li>Thinking about scaling ahead of time </li></ul><ul><li>Letting Amazon do the hard work </li></ul>
  13. 13. Thanks.

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