442 blog posts in 12 categories
This blog post will go through new replication features in ClusterControl 1.4.0, including enhanced multi-master deployment, managing replication topology changes, automated failover and handling of replication errors.
Release of ClusterControl 1.4 with key new features related to MySQL Replication and MongoDB in particular, along with performance improvements and bug fixes.
Need tips on how to secure your MongoDB setup and protect yourself against ransomware? We have collected ten tips that are easy to follow and execute on your MongoDB databases.
When performing schema changes online, it is important to be able to control the performance impact on our running databases. This blog post discusses gh-ost’s throttling mechanism. We will also cover the runtime configuration changes that gh-ost allows.
Bad query performance is probably the most common problem that a database administrator has to deal with. This blog post shows you how to use ClusterControl to monitor queries on your MySQL, MariaDB or Percona Server.
Recently, several attackers were able to break into thousands of MongoDB systems, wipe the databases and leave a ransom note. This could have been prevented if those in charge would have followed some standard security procedures. This blog post describes how to protect yourself from MongoDB ransomware. What is it, why is it a problem and what can you do to protect yourself against it?
Sharding can be a painful exercise. Databases need to be split on multiple servers, data migrated, and applications have to be tweaked to be aware of the shards. However, there are ways to make this less painful. This blog explains how to use ProxySQL to shard a table to another cluster in ClusterControl without changing your application.
This blog post shows you how to use GitHub’s gh-ost to perform an online schema change on a MySQL master-slave replication setup.
Planets9s is a weekly communication on all the latest Severalnines resources and technologies around automation and management of open source databases such as MySQL, MariaDB, PostgreSQL & MongoDB.
There are a number of ways to backup MySQL and MariaDB, each comes with pros and cons. An effective backup strategy will depend on the requirements of the business, the environment you operate in, and the resources at your disposal.