Keeping Your Data Safe: An Introduction to Data-at-Rest Encryption in Percona XtraDB Cluster. Data breaches are a major concern today. Whether you’re a business owner or value your privacy, the thought of your sensitive information being exposed is unsettling. Fortunately, data-at-rest encryption can help. Think of it as a sophisticated lock that scrambles your data, […]

If you were to ask me the question, “Would it be possible to set up a replicate filter within the Percona XtraDB Cluster?” my immediate response would be to question you right back. Why would you even want the cluster nodes to have different data when you’re using a synchronous replication cluster? That’s because, instinctively, […]

Table modifications are a routine task for database administrators. The blog post Using Percona Toolkit to Alter Database Tables Online: A Controlled Approach provides insights into the process of altering tables online in a controlled manner, ensuring uninterrupted access for application users and preventing application downtime. We will focus here on utilizing the powerful “pt-online-schema-change” […]

We met with Vinicius Grippa, a Senior Support Engineer at Percona. He is also active in the open source community and was recognized as a MySQL Rock Star in 2023. In the previous interview with Vinicius, we discussed the upcoming End of Life (EOL) for MySQL 5.7. Now that MySQL 5.7 has reached EOL, MySQL […]

This blog was originally published in June 2020 and was updated in April 2024. One of the most common support tickets we get at Percona is the infamous “database is running slower” ticket.  While this can be caused by a multitude of factors, it is more often than not caused by a bad or slow […]

This blog was originally published in January 2023 and was updated in April 2024. MySQL index is a data structure used to optimize the performance of database queries at the expense of additional writes and storage space to keep the index data structure up to date. It is used to quickly locate data without having […]

This blog was originally published in January 2023 and was updated in April 2024. Recently I was working with a customer wherein our focus was to carry out a performance audit of their multiple MySQL database nodes. We started looking into the stats of the performance schema. While working, the customer raised two interesting questions: […]

This blog was originally published in June of 2023 and updated in April of 2024.As a MySQL database administrator, keeping a close eye on the performance of your MySQL server is crucial to ensure optimal database operations. A monitoring tool like Percona Monitoring and Management (PMM) is a popular choice among open source options for […]

Percona XtraBackup (PXB) version 8.0.28 supports taking backups for the encrypted tables in your MySQL database using the AWS Key Management Service. For setting up data-at-rest encryption using AWS key management service, please see Configuring Keyring for Encryption Using AWS Key Management Service in Percona Server for MySQL.In this blog post, we will discuss how […]

Volume Expansion, a feature that became generally available since Kubernetes version 1.24, allows users to increase the capacity of their Persistent Volumes and underlying storage within Kubernetes. There is no need to use clouds’ UI or APIs to do that anymore. In our Operators, we use Stateful Sets – a Kubernetes resource that was designed for […]