Severalnines Blog
The automation and management blog for open source databases

Severalnines blog

Filter by:
Clear
Apply (1) filters
39 blog posts in 13 categories

Deploying MySQL Galera Cluster Using Vagrant

Vagrant is a system that allows you to easily create and move development environments from one machine to another. Simply define what type of VM you want in a file called Vagrantfile and then fire them up with a single command. It integrates well with virtual machine providers like VirtualBox, VMware and AWS. In this blog, we’ll show you how to expedite the deployment of your development environment using some Vagrant boxes we’ve put together.

Puppet Module for ClusterControl - Adding Management and Monitoring to Your Existing Database Clusters

If you are automating your infrastructure using Puppet, then this blog is for you. We are glad to announce the availability of a Puppet module for ClusterControl. For those using Chef, we already published Chef cookbooks for Galera Cluster and ClusterControl some time back. 

Clustering SugarCRM with MySQL Galera for High Availability and Performance

SugarCRM is the leader in open source CRM systems, and has been adopted by some of the largest firms, including IBM. The CRM software includes all sales, marketing and support tools out of the box, and can also be extended to integrate social media sources. For those depending on SugarCRM, especially when deploying in cloud environments with lower SLAs, having a high availability architecture can make a lot of sense. 

High-Availability Openstack on a Shoestring Budget: Deploying a Minimal 3-Node Cluster

As OpenStack deployments mature from evaluation/development to production environments supporting apps and services, high-availability becomes a key requirement. In a previous post, we showed you how to cluster the database backend - which is central to the operation of OpenStack. In that setup, you would have two controllers, while placing a 3-node Galera cluster on separate hosts.

How to Cluster Liferay with MySQL Galera and Ceph for High Availability and Performance

Liferay is an open-source content management system written in Java. It is used by a number of high traffic sites, as this survey suggests. 

Active-Active Alfresco Cluster with MySQL Galera and GlusterFS

Alfresco is a popular collaboration tool available on the open-source market. It is Java based, and has a content repository, web application framework and web content management system. For critical large-scale implementations that require 24*7 uptime, a multi-node cluster would be appropriate. Since Alfresco depends on external components such as the database and the filesystem, clustering the Alfresco instances only would not be enough.

Deploying an Active-Active FreeRadius Cluster with MySQL NDB or Galera

MySQL Cluster is a popular backend for FreeRADIUS, as it provides a scalable backend to store user and accounting data. However, there are situations when the backend database becomes a centralized datastore for additional applications and services, and needs to take a more general-purpose role. NDB usually works very well for FreeRADIUS data, but for wider use cases and reporting type applications, InnoDB can be a better storage engine.

OpenStack Metering: How to Install Ceilometer with MongoDB

According to Wikipedia, a ceilometer is a device that uses a laser or other light source to determine the height of a cloud base. And it is also the name of the framework for monitoring and metering OpenStack. It collects measurements within OpenStack so that no two agents would need to be written to collect the same data.

MongoDB Sharding - On-premises Deployment and Monitoring of MongoDB Sharded Clusters

Last year, we did a survey asking our users about any other databases they were using alongside MySQL. A clear majority were interested in using other databases alongside MySQL, these included (in order of popularity) MongoDB, PostgreSQL, Cassandra, Hadoop, Redis.