Severalnines Blog
The automation and management blog for open source databases

Planets9s - Online schema change for MySQL & MariaDB, MySQL storage engine & backups … and more

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Welcome to this week’s Planets9s, covering all the latest resources and technologies we create around automation and management of open source database infrastructures.

Online schema change for MySQL & MariaDB: GitHub’s gh-ost & pt-online-schema-change

Online schema changes are unavoidable, as any DBA will know. While there are tools such as Percona’s pt-online-schema-change to assist, it does not come without drawbacks. However, there is a new kid on the block: GitHub released an online schema change tool called gh-ost. This post by Krzysztof Ksiazek, Senior Support Engineer at Severalnines, looks at how gh-ost compares to pt-online-schema-change, and how it can be used to address some limitations.

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The choice of MySQL storage engine and its impact on backup procedures

As you will know, MySQL offers multiple storage engines to store its data, with InnoDB and MyISAM being the most popular ones. And this has an impact on how you design and run your backup procedures. Since data is stored inside the storage engine, we need to understand how the storage engines work to determine the best backup tool. This post by Ashraf Sharif, System Support Engineer at Severalnines, provides the necessary insight into these topics and recommendations on how best to proceed.

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Want an easy way to deploy & monitor Galera Cluster in the cloud?

If you haven’t see it yet, we’ve recently launched a new tool that allows you to easily deploy and monitor Galera Clusters onto the AWS and Digital Ocean clouds. NinesControl allows quick, easy, point-and-click deployment and monitoring of a standalone or a clustered SQL and NoSQL database. Each provisioned database is automatic, repeatable and completes in minutes. It also provides real-time monitoring, self-healing and automatic recovery features. Find out more and get started via the link below.

Check out NinesControl

That’s it for this week! Feel free to share these resources with your colleagues and follow us in our social media channels.

Have a good end of the week,

Jean-Jérôme Schmidt
Planets9s Editor
Severalnines AB

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