System design basics - Part 2
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Alan Turing needs money and decides to sell lottery tickets. As demand grows, he hires others to help. To improve efficiency, Turing has the resellers wait in a line for tickets and later prints batches of tickets for them in advance so they don't have to keep returning to him. The final system has Turing as the single source of true information and data orchestrator, with pre-generated tickets, multiple resellers acting as data processors, and a job queue to handle customers in a first-in, first-out order for horizontal load balancing.
System design basics - Part 2
- 1. System Design Basics (Lottery Ticket) Md Imran Hasan Hira Software Developer, Booking.com
- 2. The situation Alan Turing needs some help. He is out of money and he is looking for a work.
- 3. The stupid solution Alan Turing needs some help. He is out of money and he is looking for a work. So he decided to sell lottery ticket and earn some money around that.
- 4. Alan Turing is selling lottery ticket Alan TuringLottery Ticket Customers
- 5. Turing became popular Alan TuringLottery Ticket More Customers
- 6. Turing's ticket booth became super popular Alan TuringLottery Ticket Excessive Customers
- 7. At some moment, Turing feeling like... Lottery Ticket Excessive Customers কাস্টমারেে *** দাাঁ ড়ারে পােছিনা
- 8. So, Turing recruited some people for him Lottery Ticket Excessive Customers Alan Turing T.B. Lee G. Hopper D. Knuth J.V. Neumann
- 9. Things were running fine, but then more customers came Lottery Ticket Super Excessive Customers Alan Turing T.B. Lee G. Hopper D. Knuth J.V. Neumann
- 10. Turing came up with this idea to put them in line Lottery Ticket Customers waiting in to get service Alan Turing T.B. Lee G. Hopper D. Knuth J.V. Neumann ... ... ... ...
- 11. With too many people in the line, the ticket resellers were unnecessarily going back and forth to Turing Lottery Ticket Alan Turing T.B. Lee G. Hopper D. Knuth J.V. Neumann... ... ... ...
- 12. So, Turing printed a bunch of tickets and give them to resellers upfront, so that they can save time All Lottery Tickets Alan Turing T.B. Lee G. Hopper D. Knuth J.V. Neumann ... ... ... ... Lottery Ticket Lottery Ticket Lottery TicketLottery Ticket
- 13. And the final design looks like this All Lottery Tickets Alan Turing T.B. Lee G. Hopper D. Knuth J.V. Neumann ... ... ... ... Lottery Ticket Lottery Ticket Lottery TicketLottery Ticket
- 14. System design terminologies All Lottery Tickets Alan Turing T.B. Lee G. Hopper D. Knuth J.V. Neumann ... ... ... ... Lottery Ticket Lottery Ticket Lottery TicketLottery Ticket Source of true Information Data Orchestrator Pre-Generated Content Data Processor Job queue (FIFO) Horizontal Load Balancing
- 15. Thank You :)