High Availablity Notes

[You may also like - Tech-Ed Talks - SQL Server Upgrade Best Practices & High Availability]

I subscribe to Brent Ozar weekly news updates. Zero Downtime Data Centre Migration caught my attention in weekly updates

How We Moved Our Data Center 25 Miles Without Downtime (High Availability)

• Very good detailed explanation on the infrastructure setup, Data Migration process and Tools used
• Open source tools used in their infrastructure are - HAProxy, DRBD (Clusters)
• HAProxy - TCP / HTTP Load Balancer - Monitors available web services and balances load between them
• HAProxy Reads - What is HAProxy and how does it work?, Load Balancing using HaProxy
• Storage concept of HAProxy based on Elastic Binary Tree
• DRBD® - high availability (HA) clusters

Another Interesting Case Study is Sharepoint Performance Improvement using Aptimize Accelerator

Recently while learning on Latency came across case study.

• They have done some optimization in terms of reducing css, JS files. 
• Caching performance has been increased using - Aptimize Website Accelerator
• We use a CDN already, can Aptimize help? Link
• So combining - Best Practises, CDN, Website Accelerator aptimize would be a great combination for achieving superior performance
• A Crash Course in Optimizing SQL Server for SharePoint

For beginners good read on latency basics is provided in post

More Reads

• Memcached for C# - A Walkthrough
• Using memcached from C#
• Cache Architecture - Part I - Choosing a Provider for The Knot, Inc.
• Cache Architecture - Part II - Membase Servers - Implementation and Configuration
• Cache Architecture - Part III - Applications, Clients and Migration

Memcached and the Rise of the Dynamic Web

View more presentations from Gear6

Happy Reading!!!