Overview RabbitMQ is messaging service that allows you to queue and spread your data processing tasks to backend servers. For instance, this allows you to build a server cluster solely responsible for processing photo uploads (resizing, adding filters, saving to storage, etc). Each server in that cluster contacts the RabbitMQ cluster for new, unprocessed messages. […]
Ensuring the backend servers HAProxy is forwarding your users’ requests to are healthy is important. How you check for health is based on the type of service hosted in the backend. Web applications need to be checked differently from database servers. In this tutorial I will show you different ways of doing HAProxy health checks so to help maintain a great user experience.
Overview As an administrator you know that monitoring a service is essential. With HAProxy, there are stats for which you will want to know that aren’t presented to you through TOP or in log files. To make these stats visible, HAProxy can create socket file that can then be accessed by a third-party application to […]
Overview Although you can install and run HAProxy from the default package repository for Ubuntu, the version available is usually out of date. Now if you are more interested in stability than features this may be fine. For those who are looking to use new features only available in more recent versions, you will need […]
Overview Linux can be used as a very capable load balancer for small-to-medium sized organization, or for projects that do not require enterprise level load balancing features – think granular roles and user delegation, and built-in content caching. The following is a list of popular load balancer solutions that can be used on most Linux […]
HAProxy is a great load balancer solution for those who do not need enterprise functionality. In this post I discus how to deploy it on Ubuntu 14 Server.
Use layer 7 load balancing to more intelligently scale your web application and spread load across different groups of servers.
Simple and extremely fast load balancing of your web application across multiple servers using HAProxy.