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Ananias TsalouchidisProxySQL recently released version 2.6.0, and going through the release notes, I focused on the following: Added support for caching_sha2_password! This is great news for the community! The caching_sha2_password authentication method for frontend connections is now available. This has been a long-awaited feature … Why? Because in MySQL 8, caching_sha2_password has been the default authentication […]
Performing an operation is always challenging when dealing with K8s. When on-prem or DBaaS like RDS or Cloud SQL, it is relatively straightforward to apply a change. You can perform a DIRECT ALTER, use a tool such as pt-osc, or even, for certain cases where async replication is in use, perform changes on replicas and […]
This post was originally published in July 2018 and was updated in July 2023. Now that Database-as-a-service (DBaaS) is in high demand, there are multiple questions regarding AWS services that cannot always be answered easily: When should I use Aurora and when should I use RDS MySQL? What are the differences between Aurora and RDS? […]
More and more people are nowadays thinking of cloud migration. The question of “Which cloud provider performs better for my MySQL workload?” is really common but cannot always be easily answered. However, there are ways to come up with an answer. This question also applies when thinking of moving to any provider, not necessarily a […]
The Case Securing MySQL is always a challenge. There are general best practices that can be followed for securing your installation, but the more complex setup you have the more likely you are to face some issues which can be difficult to troubleshoot. We’ve recently been working on a case (thanks Alok Pathak and Janos […]
In this blog post, we’ll look at how to navigate some of the complexities of multi-source GTID replication. GTID replication is often a real challenge for DBAs, especially if this has to do with multi-source GTID replication. A while back, I came across a really interesting customer environment with shards where multi-master, multi-source, multi-threaded MySQL 5.6 […]
In this blog post, I’ll present the ProxySQL query cache functionality. This is a query caching mechanism on top of ProxySQL. As there are already many how-tos regarding the ProxySQL prerequisites and installation process, we are going to skip these steps. For those who are already familiar with ProxySQL query cache configuration, let’s go directly […]