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The Percona Database Performance Blog

Technical guides, deep dives, and perspectives across MySQL, PostgreSQL, MongoDB, Valkey, Redis, and more.

Blog
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May 4, 2026
Curious case of PXC node that refused to start due to SSL
In this blog, I am going to share a real-world debugging case study where a routine Percona XtraDB Cluster node restart led to an unexpected failure. ...
Blog
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May 4, 2026
Building Query Analysis and Insights Dashboard in PMM
Percona Monitoring and Management is a great open source database monitoring, observability, and management tool. Query analytics is one of the promin...
Blog
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May 1, 2026
Run an ALTER TABLE for a huge table in Aurora
Recently, we received an alert for one of our Managed Services customers indicating that the auto_increment value for the table was 80% of its maximum...
Blog
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April 30, 2026
Managing Valkey Cluster in Kubernetes
Over the last several years, Percona has introduced several rock-star Kubernetes Operators for managing MySQL, Percona XtraDB Cluster, MongoDB, and Po...
Blog
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April 30, 2026
Continued Commitment to Percona XtraDB Cluster
At Percona, our priority has always been to provide the open source database solutions that our users can count on for the long term. Percona XtraDB C...
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April 30, 2026
Troubleshooting logical replication delay made easy
This blog is based on a real production case in which users experienced a serious delay in logical replication. Let me try to explain how to approach ...
Blog
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April 29, 2026
XtraBackup incremental prepare phase is 2x-3x faster!
TL;DR Percona XtraBackup is a 100% open-source backup solution for Percona Server for MySQL and MySQL®. It is designed for high-availability environme...
Blog
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April 29, 2026
Orchestrator’s Next Chapter: What It Means for Percona Customers
Last week, ProxySQL announced that they are taking over the maintenance and development of Orchestrator, the MySQL high-availability and topology mana...
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April 28, 2026
Ensuring PostgreSQL Backup Continuity: A pgBackRest Update
pgBackRest is a foundational component of the PostgreSQL backup solutions supported by Percona, playing a critical role in ensuring reliable and resil...
Blog
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April 24, 2026
Achieving High Availability with Valkey Sentinel
In the previous guide, a robust Primary-Replica topology for Valkey was established. Read scaling is now active, and a hot copy of the data is securel...
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