Informative articles on various technologies ...
Articles
Optimizing Drupal Views: Query Time and Rendering Time
Drupal Performance and Scalability With Excessive I/O Load Or Memory Exhausion
When Memcached Slows Your Drupal Site's Performance
Antibot module for Comment Spam, Alternative to Mollom End Of Life
How to configure Varnish Cache for Drupal with SSL Termination Using Pound or Nginx
Diagnosing Slow Drupal Operations Using Linux strace
Slow Queries In Drupal Can Often Be Cured By Indexes
Installing and Configuring Redis for Drupal 7, and other Memcached Alternatives
MongoDB as a caching solution for Drupal 7
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