I would like to know if adding a read-only node to the managed mysql database help with the load by splitting the select queries between servers automatically?

Thank you

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I don’t think that this happens automatically, you need to either use a Load Balancer or a service like ProxySQL, or build the logic into your application.

For example if you use a framework like Laravel this is quite straight forward to implement, you could take a look at this tutorial here on how to do that:



by Bobby Iliev
by Erika Heidi
Data persistence and file storage represent two of the biggest challenges when horizontally scaling web applications. This is mainly due to the fact that it is hard to maintain consistency of variable data between multiple application nodes. A practical way of meeting these demands is by using managed databases and object storage. In this guide, we will update an existing Laravel 6 application to use a managed MySQL database and an S3-compatible object store.