Magento HQ Developers Meet up, Los Angeles, September 16

1. Magento HQ Developers Meet up Methods and Best Practices for High Performance eCommerce. By Dmitriy Soroka System Architect at Magento, Inc 20-Sep-10| 1|

2. Performance Improvement Techniques Environment Web Server Configuration Data Base Configuration Accelerating PHP Additional HTTP Requests Application Caching Session Handling More options Scaling Backend Server Multiple Frontend Servers Multiple Databases 3rd party integrations Integration with Solr

3. Benchmarks Methodology Siege with different concurrencies 10, 20, 50, 100 Database Size Sample data, 10K products, 80K products URLs CMS Page (home page) URLs List Checkout Results Requests per second Orders per hour

4. Environment optimization Apache, MySQL, PHP

5. Apache Configuration Apache modules – use just necessary modules KeepAlive directive mod_deflate - compress content before sending it to the browser Eliminating directory structure scans for the .htaccess

6. MySQL Configuration innodb_buffer_pool_size Combined web and db server, 6 GB RAM – 2-3 GB Dedicated database server, 6 GB RAM – 5 GB Dedicated database server, 12 GB RAM – 10 GB innodb_thread_concurrency 2 * [numberofCPUs] + 2 table_cache is the number of tables that can be simultaneously opened by MySQL query_cache_size (64 Mb) query_cache_limit (2 Mb)

7. Optimization Results

8. Accelerating PHP File system structure optimization APC eAccelerator Zend Optimize Xcache

9. Magento Compiler

10. PHP Accelerators

11. Additional HTTP Requests CSS Java Script Images

12. Application optimization Cache, Sessions

13. Cache Types

14. Cache Enables vs. Cache disabled

16. Sqlite

17. Database (MySQL)

18. ZendServer disk

19. APC

20. Memcached

21. xCache

22. eAccelerator

24. Cache Configuration <config> <global> <cache> <!-- apc / memcached / xcache / empty=file --> <backend></backend> <prefix|id_prefix></prefix|id_prefix> <backend_options> <option_code1>option_value1</option_code1> </backend_options> <frontend_options> <option_code1>option_value1</option_code1> </frontend_options> <memcached> <servers>....</servers> <memcached> </cache> </global> </config>

25. Slow Backend <config> <global> <cache> <slow_backend>database</slow_backend> <slow_backend_options> <option_code1>option_value1</option_code1> </slow_backend_options> </cache> </global> </config>

26. Storages Benchmark

27. Full Page Cache (CMS page)

28. Full Page Cache (urls list)

29. Session Storage Files Memcached Data Base

30. More… Flat Catalog Sales Archive Backend processes (cron, indexes) Theme complexity

31. scaling Hardware, Web Nodes, Data Base

32. Hardware

33. Separate Backend Server Data Base Handle admin users Process backend activity (cron) Pre generate Full Page Cache Handle media queries

34. Multiple Web Nodes (browsing)

35. Multiple Web Nodes (checkout)

36. Data Base config/global/resources <default_setup> <connection> <host><![CDATA[master]]></host> <username><![CDATA[writeuser]]></username> <password><![CDATA[writeuserpwd]]></password> <dbname><![CDATA[magento]]></dbname> <active>1</active> </connection> </default_setup> <default_read> <connection> <use></use> <host><![CDATA[slave]]></host> <username><![CDATA[readuser]]></username> <password><![CDATA[readuserpwd]]></password> <dbname><![CDATA[magento]]></dbname> <model>mysql4</model> <initStatements>SET NAMES utf8</initStatements> <type>pdo_mysql</type> <active>1</active> </connection> </default_read>

37. 3rd party integrations Solr

38. Using solr Spell checking Search suggestions Morphology Category navigation Facet navigation

39. Benchmark Results

40. Magento HQ Developers Meet up Thank You Email: dmitriy.soroka@varien.com

41. Q&A