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455 blog posts in 12 categories

Scaling Drupal on Multiple Servers with Galera Cluster for MySQL

This post shows you how to move from a single instance Drupal/MySQL to a multi-server environment. A well designed multi-server deployment not only allows Drupal to scale, but will also enhance redundancy by removing single points of failure. Components used are Apache, PHP, csync2, lsyncd, Keepalived, HAproxy,&MySQL Galera ClusterClusterControl.

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Nagios Plugin for ClusterControl

Nagios is a very popular open source IT infrastructure monitoring tool, used by sysadmins to watch out for problems in their systems. If you use Nagios and would like to utilize it to monitor your database cluster, we have built a simple Nagios plugin for ClusterControl which can report on the status of your database cluster. The plugin is Nagios Plugin API v3.0 compatible.

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ARCHIVE - Install ClusterControl on Top of Existing MongoDB Sharded Cluster

**Attention: The instructions in this blog post are outdated. Please refer to ClusterControl Quick Start Guide for updated instructions.

In this post, we are going to show you on how to install and integrate ClusterControl on top of an existing MongoDB Sharded Cluster with a replica set of 3 nodes

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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.

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Meet Our New ClusterControl v1.2

ClusterControl

Severalnines ClusterControl v1.2 introduces support for MongoDB sharded clusters, as well as a new simple and user-friendly interface, with ability to provision clusters directly from the ClusterControl interface. 

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