Server and System Optimization on LAMP
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Things I learned while running http://www.tradebit.com/ : Very simple steps to get your hardware and system in order for high performance web services. Do more, do more faster. 5 things you can take away from Pubcon Las Vegas 2012.
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Server and System Optimization on LAMP
- 1. What every webmaster should know about code installation Las Vegas Pubcon 2012 optimization on all levels Ralf Schwoebel Tradebit.com
- 2. Who is talking? • Started coding with Games in 1986 • Wrote books, created web shops in the 90s • SEO/affiliate marketeer early 2000s • Started Tradebit.com as a 1-man band 2004
- 3. Optimization on all levels
- 4. It is not just HTML!
- 5. It is holistic Planning • Hardware: think SSD, amount of RAM, etc. • System: OS considerations and software choice • Connectivity: Security walls can slow you down • Network: how fast or slow is your uplink • Customers: where are they • HTML Coding: how fast are my pages • Customers: what do they use • HTML Layout: how well do they convert • Business process: chargebacks, support Implementation
- 6. It is holistic Fast loading pages: Tue, http://www.slideshare.net/extremelongusername/simple-site-speed-improvements-smx-2010 3.10pm PHP Do you REALLY need that mod_? MySQL INT, not VARCHAR & set INDEX Apache Remove unneeded modules OS Remove unneeded packages Hardware Disable USB, Serial, etc. in BIOS
- 7. 5 things to do now!
- 8. 1: Caching • A page on your domains consists of many objects ⇒put these objects in an external cache! • Many config/base code snippets NEVER change => activate a code cache (e.g. APC in 10 minutes)
- 9. 1: Caching
- 10. 2: Stripping • Apache comes with MANY(!) extra modules ⇒ Disable what you do not need, now! • Same for the OS and PHP
- 11. 3: Cleaning Eg: •Compress your style sheets, clean them first •Create a “trashcan/” and move EVERYTHING you think is not needed into it •Revisit old code and think about it •Test your site thoroughly then!
- 12. 4: Hunting 1 day of hunting for sloppy code can raise your revenue by 5% - just with faster pages! •SQL loops vs. RIGHT/LEFT joins •Uncompressed images, CSS, nested HTML errors •Etc. The nested loop will not see me coming… har har!
- 13. 5: Combining Creating clean code is possible! ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… x 64 = ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… ………………..………………………… …………………… = 1024 dots
- 14. 5: Combining Combine SQL statements to chunks to execute: UPDATE mytable SET mycol=2 WHERE my2ndcol LIKE ‘%.jpg’ is evil on a cluster! => SELECT the INDEX and UPDATE then – e.g.!
- 15. 5: Combining upper level Minimize! (Optimizing Your Site for Contextual Ads, Thursday, 11.30)
- 16. Links and tools • SQUID: super simple reverse proxy • http://code.google.com/p/modpagespeed/ • SNORT and GUARDIAN: filter script kiddies • http://mysqltuner.pl/ • SPHINXsearch: Ultra fast full text search • SOFTLAYER.net : CDN on demand • https://developers.google.com/speed/pagespeed/ • http://www.hidemyass.com/ (global VPN surfing)
- 17. Results
- 18. Thank You! Contact me: Ralf Schwoebel puzzler@tradebit.com twitter: trabit slideshare: extremelongusername