A Seminar On Handling High Traffic Websites

1. Handling High Traffic Websites A Seminar On Handling High Traffic Websites By AshishKumar aka Ashfame CP06023 / 06EJECS022

2. Processing Load

3. What slows down?

4. Areas to improve

5. On-Site Improvements DNS Lookups SERVER SERVER SERVER ashfame.com/code.js blog.ashfame.com/style.css bbninja.com/guide.pdf

6. On-Site Improvements HTTP Requests SERVER blog.ashfame.com

7. On-Site Improvements CSS Sprites

8. On-Site Improvements Minify CSS

9. On-Site Improvements Minify JS

10. Browser Cache On-Site Improvements Browser Cache SERVER blog.ashfame.com

11. On-Site Improvements Reduce Image size (Image format) Use Content Distribution Network (CDN) Gzip Compression JIT Approach – CSS at top | JS at bottom Avoid CSS expressions

12. Server Side Improvements Employ Caching

13. Server Side Improvements Setup a Proxy Server Database Server Back End Server (Apache | IIS) Front End Server (Nginx) HTTP Client

14. Server Side Improvements Master Slave DB Setup Master Slave 1 Slave II Slave III Heavy Load Usual Load

15. Server Side Improvements Load Balancer SERVER1 SERVER II SERVER III SERVER IV SERVER V SERVER VI Load Balancer Requests (Heavy Load)

16. Server Side Improvements RAID Configuration Threaded Model over Processes Model MySQL (Database Server) Tweaking Settings MySQL Storage Engine (InnoDB | MyISAM) Avoid hitting Swap (I/O) at all cost

17. Your Approach

18. Case study - Google

19. Case study - Facebook

20. Case study - YouTube

21. Queries?