Tag - MySQL

Percona XtraDB Cluster 5.6.44-28.34 Is Now Available

Percona XtraDB Cluster 5.7

Percona is glad to announce the release of Percona XtraDB Cluster 5.6.44-28.34 on June 19, 2019. Binaries are available from the downloads section or from our software repositories.
Percona XtraDB Cluster 5.6.44-28.34 is now the current release, based on the following:

Percona Server 5.6.44-86.0
Codership WSREP API release 5.6.43
Codership Galera library 3.26

All Percona software is open-source and free.
Bugs Fixed

PXC-2487: The […]

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Enterprise Database Solution – Maximizing Return for the Lowest Cost

Enterprise Data Solution

It used to be easy: a company developed a new application, chose a database solution, launched the new application and then tuned the chosen database solution. A team of DBAs looked at the infrastructure as well as the workload and made changes (or suggestions) as needed. The application then stayed in production for years […]

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Solve Query Failures Regarding ONLY_FULL_GROUP_BY SQL Mode

Solve Query Failures SQL mode

“Hey, what’s going on with my applications? I installed a newer version of MySQL. I have queries that perfectly run with the older version and now I have a lot of errors.”
This is a question some customers have asked me after upgrading MySQL. In this article, we’ll see what one of the most frequent […]

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MariaDB Track at Percona Live

MariaDB track at Percona Live 2019

Less than one month left until Percona Live. This time the Committee work was a bit unusual. Instead of having one big committee for the whole conference we had a few mini-committees, each responsible for a track. Each independent mini-committee, in turn, had a leader who was responsible for the whole process. I led […]

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MySQL Memory Management, Memory Allocators and Operating System

memory management mysql bug

When users experience memory usage issues with any software, including MySQL®, their first response is to think that it’s a symptom of a memory leak. As this story will show, this is not always the case.
This story is about a bug.
All Percona Support customers are eligible for bug fixes, but their options vary. For […]

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Creating Custom Sysbench Scripts

sysbench-lua for benchmark tooling

Sysbench has long been established as the de facto standard when it comes to benchmarking MySQL performance. Percona relies on it daily, and even Oracle uses it when blogging about new features in MySQL 8. Sysbench comes with several pre-defined benchmarking tests. These tests are written in an easy-to-understand scripting language called Lua. Some […]

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Percona XtraDB Cluster 5.6.43-28.32 Is Now Available

Percona XtraDB Cluster 5.7

Percona is glad to announce the release of Percona XtraDB Cluster 5.6.43-28.32 on February 28, 2019. Binaries are available from the downloads section or from our software repositories.
This release of Percona XtraDB Cluster includes the support of Ubuntu 18.10 (Cosmic Cuttlefish). Percona XtraDB Cluster 5.6.43-28.32 is now the current release, based on the following:

Percona Server 5.6.43-84.3
Codership WSREP API release 5.6.42
Codership Galera library 3.25

All […]

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Percona XtraDB Cluster 5.7.25-31.35 Is Now Available

Percona XtraDB Cluster 5.7

Percona is glad to announce the release of Percona XtraDB Cluster 5.7.25-31.35 on February 28, 2018. Binaries are available from the downloads section or from our software repositories.
This release of Percona XtraDB Cluster includes the support of Ubuntu 18.10 (Cosmic Cuttlefish). Percona XtraDB Cluster 5.7.25-31.35 is now the current release, based on the following:

Percona Server for MySQL […]

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Percona XtraDB Cluster 5.6.42-28.30 Is Now Available

Percona XtraDB Cluster 5.7

Percona announces the release of Percona XtraDB Cluster 5.6.42-28.30 (PXC) on January 4, 2019. Binaries are available from the downloads section or our software repositories.
Percona XtraDB Cluster 5.6.42-28.30 is now the current release, based on the following:

Percona Server 5.6.42
Codership WSREP API release 5.6.42
Codership Galera library 3.25

All Percona software is open-source and free.
Fixed Bugs

PXC-2281: Debug […]

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