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LAMP Optimization

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    LAMP Optimization - Presentation Transcript

    1. LAMP Optimization LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    2. 50 Slides! (counting this one) http://slideshare.net/csixty4 LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    3. I’m not a sysadmin LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    4. I’m not a sysadmin but I know what I like. LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    5. I Like Fast Servers LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    6. LAMP Linux Apache MySQL PHP LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    7. Optimizing Linux Prevent swapping Disable atime updates Buy another machine LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    8. vmstat -S M Virtual memory statistics in Megabytes (or Kilobytes) LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    9. “Free” drop + High “Swap” = Poor performance LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    10. RAM is cheap. LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    11. “Access Timestamp” LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    12. “I agree, we really should do something about atime.” - Linus Torvalds, 2007 LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    13. Edit /etc/fstab In the fourth column, add noatime,nodiratime Save. Reboot. LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    14. Time is money. LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    15. Add another server Move database to its own server Load balance Cluster LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    16. Optimizing Apache mod_cache Keep the riff-raff out Increase MaxClients LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    17. a2enmod cache mem_cache LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    18. Cache static content in RAM LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    19. Cache static content in RAM It’s cheap. LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    20. mod_evasive LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    21. Keep out vulnerability scanners and attacks LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    22. More resources for everyone else. LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    23. MaxClients in your httpd.conf LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    24. Trial and error LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    25. Enough to handle simultaneous connections. LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    26. And RAM is still cheap. LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    27. Optimizing MySQL Key Buffer Query Cache InnoDB LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    28. Key Buffer in my.cnf LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    29. Caches table indexes LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    30. key_buffer_size=128M 20-25% (or so) of available RAM LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    31. Query Buffer in my.cnf LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    32. Caches parsed SELECTs LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    33. query_buffer_size=64M Half of key_buffer_size LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    34. You get the idea.
    35. InnoDB database engine LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    36. Row vs. table locking LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    37. Faster UPDATE LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    38. Optimized for key access LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    39. Faster SELECT & UPDATE LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    40. Optimizing PHP Upgrade to PHP 5.3 Install an accelerator Enable output buffering LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    41. PHP 5.3 has mysqlnd LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    42. Native Driver LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    43. Up to 30% faster LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    44. PHP Accelerators Alternative PHP Cache (APC) : 3x-5x faster eAccelerator XCache Zend Optimizer+ LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    45. Output Buffering LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    46. Actually makes code run slightly slower LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    47. Browser gets whole page at once LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    48. It certainly feels faster LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009
    49. Questions? davidmichaelross.com daveross.tel LAMP Optimization :: Dave Ross :: Suburban Chicago PHP & Web Development Meetup :: SuburbanChicagoPHP.org :: October 1, 2009

    + Dave RossDave Ross, 1 month ago

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