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MongoDB Tutorial - On-premises Cluster Management and Monitoring of MongoDB Replica Set

Replica Sets in MongoDB are very useful. They provide multiple copies of data, automated failover and read scalability. A Replica Set can consist of up to 12 nodes, with only one primary node (or master node) able to accept writes. In case of primary node failure, a new primary is auto-elected.Replica Sets in MongoDB are very useful. They provide multiple copies of data, automated failover and read scalability. A Replica Set can consist of up to 12 nodes, with only one primary node (or master node) able to accept writes. In case of primary node failure, a new primary is auto-elected.

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.

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.