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...

In our previous post, we welcomed Valkey (an open source fork of Redis) to the Percona family. We also learned how to get Valkey up and running using docker, along with understanding some of the basic data types, string and list. In this post, we will continue working with Valkey/Redis and learn about sets and […]

Have you ever read a news story about a major company experiencing a data breach that exposed millions of customer records? These breaches can be devastating, causing significant financial losses, reputational damage, and even legal repercussions. Unfortunately, MySQL databases, one of the most popular relational database management systems, is at the...

Coroot, an open source observability tool powered by eBPF, went generally available with version 1.0 last week. As this tool is cloud-native, we were curious to know how it can help troubleshoot databases on Kubernetes.In this blog post, we will see how to quickly debug PostgreSQL with Coroot and Percona Operator for PostgreSQL.PrepareInstall CorootThe...

Percona Monitoring and Management (PMM) has become a valuable tool for database professionals, providing comprehensive insights into database health and performance. A recent update (version 2.41.0) introduced a significant enhancement: the ability to run PMM in high availability (HA) mode. This feature, currently in technical preview, offers exciting...

Last week, we were assisting a client who needed to resolve an issue related to partitioned tables.Often, a table can include dozens or even hundreds of partitions. Unfortunately, some object-level parameters for tuning (like storage_parameter) cannot be modified from the parent table and must be manipulated directly through the child table. As a result,...