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See What’s Inside a WAL File Using pg_waldump and pg_walinspect
In this blog, we will see the concepts for analyzing WAL files, such as pg_waldump (supported versions 12 and above) and pg_walinspect (supported versions 15 and above). Write-Ahead Logging (WAL) is a...
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Introducing Percona Everest: Revolutionizing Cloud-Native Database Management
This month, we’re taking the wraps off something really big — mountainous, in fact. It’s Percona Everest, our brand new, open source, cloud-native database platform, and it’s now generally available to...
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Easy Guide to Switching PostgreSQL Physical Replication to Logical...
In one of our previous blogs, a custom method for switching from PostgreSQL physical replication to logical replication was discussed, using pg_create_logical_replication_slot and...
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Ensure the Correct Repositories are Enabled for Percona Packages
As announced in Percona’s Important Update, effective July 1st, the percona/original and tools repositories will no longer be updated. This means that users need to check their systems and ensure that...
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Automated Major Version Upgrades in Percona Operator for PostgreSQL
PostgreSQL major versions are released every year, with each release delivering better performance and new features. With such rapid innovation, it is inevitable that there will be a need to upgrade...
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MyLoader Is Now Importing at Full Speed
For a long time, I’ve been thinking about the possibility of importing a single file with multiple connections. Why? Simply because we have scenarios where we end up importing a big file with a single...
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The Powerful Features Released in PostgreSQL 17 Beta 2
The PostgreSQL Global Development team released the second beta version of PostgreSQL 17 on June 27th, 2024, and it is now available for testing. In this beta version, we can explore the new features...
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Deploying MongoDB on Kubernetes with Percona Everest
Percona Everest is the first open source platform designed for automated database provisioning and management. It supports multiple database technologies and can be hosted on any Kubernetes...
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Do Not Upgrade to Any Version of MySQL After 8.0.37
Warning! Recently, Jean-François Gagné opened a bug on bug.mysql.com #115517; unfortunately, the bug is now private. However, the bug looks quite serious. We at Percona have performed several tests and...
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Key Metrics and Tools for Effective PostgreSQL Monitoring
Running a high-performance, reliable PostgreSQL database is crucial for any business and application. However, as workloads grow and database environments become more complex, ensuring optimal database...
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Using the Percona Audit Logging Plugin on MySQL Community 8.0.x
At Percona Managed Services, we manage Percona MySQL, Community MySQL, and MariaDB. Sometimes, we might need to enable audit logging and share the logs for client MySQL Community 8.0.x servers. There...
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Percona Server for MySQL and Percona XtraBackup Now Available for ARM64
We’re excited to announce that both Percona Server for MySQL and Percona XtraBackup now support the ARM64 architecture on Red Hat Enterprise Linux (RHEL) 8/9 and Oracle Linux (OL) 8/9. The packages...
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Using pt-online-schema-change for Purging Rows and Reclaiming Disk Space in a...
You probably missed the news, but… PT-1751: Adds –where param to pt-online-schema-change This brings the possibility to perform what I would call an “inverted purge” because you are not actually...
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No MySQL 9.x Innovation Releases from Percona
On July 1st, 2024, Oracle launched MySQL 9.0.0, the first release in the 9.x series. This release and the following six versions (9.1.0 to 9.6.0) are designated as “Innovation Releases.” These releases...
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Ultimate Guide to Improving MySQL Query Performance
MySQL is certainly a powerful open source database management system, but even the most robust engine struggles when queries take an eternity to execute. For DBAs and developers, improving MySQL query...
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Using Compact in Percona Server for MongoDB From Version 4.4+
In the previously posted blog, Compaction in Percona Server for MongoDB (PSMDB), we discussed how compact works before version 4.4. In this blog, we will see how compact works on PSMDB 6.0. I recommend...
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How to Have a Single MySQL User Account From Specific Hosts
In this article, we will demonstrate how to have a single MySQL database user account that can connect from specific hosts. We would usually implement it by creating separate user accounts with the...
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How to Monitor Valkey/Redis with Percona Monitoring and Management
In this blog post, we will show you how to add external exporters to Percona Monitoring and Management (PMM) and monitor various services. Our focus will be on Valkey/Redis, but the principles apply to...
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MySQL 9.0 Includes a New Option for Explaining Queries
MySQL 9.0 is an Innovation Release, but as you may have read in my Quick Peek, I found little innovation. However, one new item caught my eye, and it could be a way to track query performance. MySQL...
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Online Schema Changes on Tables with Foreign Keys in MySQL
pt-online-schema-change is an amazing tool for assisting in table modifications in cases where ONLINE ALTER is not an option. But if you have foreign keys, this could be an interesting and important...
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