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Scaling wordpress for high traffic

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Roshan Bhattarai
Roshan Bhattarai

This document provides optimization tips for scaling WordPress to handle high traffic volumes. It recommends using caching plugins like W3 Total Cache to optimize page speeds. It also suggests serving static assets through a CDN and moving to a VPS or dedicated server for higher traffic sites. For very high traffic sites of over 10 million daily hits, the document recommends load balancing across multiple HTTP and database servers, as well as implementing database sharding or replication using tools like HyperDB to partition data across databases.

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Scaling WordPress for High Traffic
Roshan Bhattarai ? Father ? Author - (Co-author : PHP Ajax Cookbook ) ? Software Developer ? And so called CTO @ proshore
Optimization Tips for Shared hosting ? Use W3 Total Cache plugin for caching page and datas . ? Serve all the static contents(JavaScript , CSS files and Images ) from Content Delivery Network. ? Use jQuery lazy load plugin to server images if there are many. ? Minify and Gzip the CSS and and JavaScript files. ? For big number of posts and comment table use MySQL¡¯s logical partition. http://pento.net/2011/04/28/partitioning-the- wordpress-comments-table/
W3 Total Cache Main Features : ? Page Caching ? Minify ? Database Caching ? Headers: W3TC manages the HTTP headers (cache-control, expires) ? Content Delivery Network (CDN )
Content Delivery Network ? Serving static content directly from own server ? Uploading static files to server and serving from there
Still problem ¡­¡­¡­¡­¡­¡­.. Time to move to VPS or Dedicated Server ?
Recommended Server Configuration ? Use Nginx Web Server than Apache ? Use Varnish or Squid (Reverse Proxy Servers )for serving static content over Nginx server ? Use PHP-FMP (FastCGI Process Manager) ? Implement Sphinx search engine or Lucene Search Engine for full text search on database. ? As always use CDN ? ? Use Opcode Cache Engine for W3 Total Cache ( APC recommended)
That should be able to cope around 10 million hits a day on normal Wordpress website. http://www.ewanleith.com/blog/900/ 10-million-hits-a-day-with-wordpress- using-a-15-server
Still high CPU and memory ususage on server ? Time to use multiple HTTP servers and multiple database servers.
Using Load balancer
Load Balancing Technique ? Round Robin DNS ? Software Load balancer ( recommended HaProxy) ? Hardware load Balancing ( Cisco , Citrix etc ) Note : Use NFS to store static files and data on database.
Database Replication
Database Sharding Software used for sharding MySQL : HiveDB
For WordPress use HyperDB ? ? Ability to use multiple databases. ? Supports partition of data. ? Supports replication. ? Supports failover.
Thank you for listening ? Any questions?

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Scaling wordpress for high traffic

  • 1. Scaling WordPress for High Traffic
  • 2. Roshan Bhattarai ? Father ? Author - (Co-author : PHP Ajax Cookbook ) ? Software Developer ? And so called CTO @ proshore
  • 3. Optimization Tips for Shared hosting ? Use W3 Total Cache plugin for caching page and datas . ? Serve all the static contents(JavaScript , CSS files and Images ) from Content Delivery Network. ? Use jQuery lazy load plugin to server images if there are many. ? Minify and Gzip the CSS and and JavaScript files. ? For big number of posts and comment table use MySQL¡¯s logical partition. http://pento.net/2011/04/28/partitioning-the- wordpress-comments-table/
  • 4. W3 Total Cache Main Features : ? Page Caching ? Minify ? Database Caching ? Headers: W3TC manages the HTTP headers (cache-control, expires) ? Content Delivery Network (CDN )
  • 5. Content Delivery Network ? Serving static content directly from own server ? Uploading static files to server and serving from there
  • 6. Still problem ¡­¡­¡­¡­¡­¡­.. Time to move to VPS or Dedicated Server ?
  • 7. Recommended Server Configuration ? Use Nginx Web Server than Apache ? Use Varnish or Squid (Reverse Proxy Servers )for serving static content over Nginx server ? Use PHP-FMP (FastCGI Process Manager) ? Implement Sphinx search engine or Lucene Search Engine for full text search on database. ? As always use CDN ? ? Use Opcode Cache Engine for W3 Total Cache ( APC recommended)
  • 8. That should be able to cope around 10 million hits a day on normal Wordpress website. http://www.ewanleith.com/blog/900/ 10-million-hits-a-day-with-wordpress- using-a-15-server
  • 9. Still high CPU and memory ususage on server ? Time to use multiple HTTP servers and multiple database servers.
  • 11. Load Balancing Technique ? Round Robin DNS ? Software Load balancer ( recommended HaProxy) ? Hardware load Balancing ( Cisco , Citrix etc ) Note : Use NFS to store static files and data on database.
  • 13. Database Sharding Software used for sharding MySQL : HiveDB
  • 14. For WordPress use HyperDB ? ? Ability to use multiple databases. ? Supports partition of data. ? Supports replication. ? Supports failover.
  • 15. Thank you for listening ? Any questions?