Scaling and Performance Tuning Guide

• Sharding
• Horizontal scaling
• Vertical scaling
• Caching
• Demormalizing
• CDN
• Background Jobs
• HTTP Accelerators
• Caching
• ETag
• ...

Caching

HTTP Accelerators

Varnish

Varnish was designed from the ground up as an HTTP accelerator. Varnish is focused exclusively on HTTP.

• Varnish
• Guide to using Varnish

Content Delivery Networks

Based on physical server location.

DNS Lookups

Load Balancing

HAProxy

• http://haproxy.1wt.eu/

Database Sharding

Sharding with MongoDB

• http://www.mongodb.org/download/attachments/2097354/how+queries+work+with+sharding.pdf
• http://www.mongodb.org/display/DOCS/Sharding+Introduction
• http://www.mongodb.org/display/DOCS/Configuring+Sharding

Sharding in Rails

• https://github.com/tchandy/octopus

Resources

• http://developer.yahoo.com/performance/rules.html
• http://sebastian.formzoo.com/2012/04/03/vost-simple-virtual-hosts-load-balancing-with-node-js/
• http://developer.yahoo.com/blogs/ydn/posts/2007/07/high_performanc_7/
• http://developer.yahoo.com/performance/rules.html
• http://devblog.seomoz.org/2011/09/scaling-the-f-out-of-a-rails-app/
• http://www.slideshare.net/harishganesan/aws-infrastructure-elasticity-queuing-scalability-12736732