Category Archives: HA Scalability

High availability and scalability of fedora commons

HA and Scalability of Fedora Commons. If you trying to run a media rich web site , it is better to separate serving media and static content such as audio,video, images ,css,js etc to a server other than your application server. CDN is the solution for these kind of scaling issues .But cost of CDN […]

Is Mysql Cluster Production ready

Is Mysql Cluster Production ready? Setting up a mysql cluster is kind of easy on non-cloud environment by following http://dev.mysql.com/doc/mysql-cluster-excerpt/5.1/en/mysql-cluster-multi-install.html. But when you try to install on cloud (Amazon ec2) for a production environment with auto scale or at least auto heal it is not as straight as it looks, mainly because of few reasons, […]

Connecting to a mysql cluster

Without a load balancer (ELB ) , you can connect to the mysql cluster through a datasource configured in your servlet container or in your spring config , basically you will need a apache commons datasource driver or something similar which support auto health check of the connections in your pool. At a minimum , […]

Mysql cluster setup on amazon cloud

Setting up 6 node Mysql Cluster Read thro http://dev.mysql.com/doc/mysql-cluster-excerpt/5.1/en/mysql-cluster-multi-install.html , there is not much after that. This is just a dump referring to auto scaling mysql cluster This setup has 2 mgmt nodes on 2 different boxes, 2 data+api nodes on another 2 boxes. In brief , you will need to Get mysql mgmt installed […]