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MySQL vs. MariaDB: Reality Check
In this blog, we’ll provide a comparison between MySQL vs. MariaDB (including Percona Server for MySQL). Introduction The goal of this blog post is to evaluate, at a higher level, MySQL, MariaDB and...
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How MySQL and MariaDB Perform on NVMe Storage
MySQL and MariaDB on NVMe Storage – The Great Equalizer Continuing with the checkpointing topic I restarted a month ago with MongoDB, followed with PostgreSQL, and then with MySQL and MariaDB on...
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How MySQL 8.0.21 and MariaDB 10.5.4 Perform in IO-Bound Scenarios on SATA SSD...
Continuing with the same topic and evaluating new versions of MariaDB and MySQL on Enterprise SSD Storage and How MySQL and MariaDB Perform on NVMe Storage, this time let’s take a look at how MySQL...
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The Road Story of a MyRocks/MariaDB Migration
This post has been written in collaboration with Nicolas Modalvsky of e-planning. Nicolas and I recently worked together on a tuning engagement involving MyRocks on MariaDB. While it is easy to find...
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Evaluating Performance Improvements in MariaDB 10.5.5
Recently, I published a series of posts on MySQL and MariaDB, where MariaDB 10.5.4 does not necessarily perform well in some scenarios: How MySQL and MariaDB Perform on NVMe Storage Checkpointing in...
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Exciting and New Features in MariaDB 10.5
MariaDB 10.5 was released in June 2020 and it will be supported until June 2025. This is the current stable version and comes with more exciting new features. In this blog, I am going to explain the...
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Webinar January 20: MariaDB Observability
Don’t miss out! Join Peter Zaitsev, Percona CEO, as he discusses MariaDB observability! A broken MariaDB means a broken application, so maintaining insights in MariaDB operational performance is...
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Deploying Any Version of Leading Open Source Databases for Tests and Experiments
I want to present a tool for running a specific version of open source databases in a single instance, replication setups, and Kubernetes. AnyDbVer deploys MySQL/MariaDB/MongoDB/PostgreSQL for testing...
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MariaDB 10.9 Quick Peek
MariaDB 10.9 is a preview release of the popular open source database server and is considered alpha level code (pronounced: Not for production). It offers a glimpse of the evolution of the product and...
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Migrating From MariaDB to Percona Server for MySQL 8: The Security Witchcraft
Hello friends, on certain occasions, some clients, for whatever reason, ask us to migrate a supposedly “equivalent” brand of an engine in terms of belonging to the MySQL family or ecosystem. In this...
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Database Server Lifecycle for MySQL and MariaDB
In this blog post, we will look at the lifecycle and release management for MySQL and MariaDB servers — where we are now and relevant historical background. It is worth noting both MySQL and MariaDB...
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Want to Migrate From MariaDB 10.4 to MySQL 8.0 but Facing Hurdles? MySQL 5.7...
Note that MariaDB 10.4 is not the latest version and has had new releases since 10.4. The client requirement was to move to MySQL 8.0 on the cloud for specific RDS features. Caution: It is important...
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Convert MariaDB Binary Log File and Position-Based Replication to GTID...
At Percona Managed Services, we manage Percona Server for MySQL, Community MySQL, and MariaDB. There are slight differences when configuring and managing MariaDB GTID replication. In this blog, we’ll...
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Resolving Data Drift in a Dual-Primary Topology With Replica in MySQL/MariaDB
Hello friends, In Managed Services, we have the opportunity to see different technologies and various topologies, which makes the work fascinating and challenging at the same time. This time, I’m going...
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Is ANALYZE TABLE Safe on a Busy MySQL Database Server?
Sometimes, there is a need to update the table and index statistics manually using the ANALYZE TABLE command. Without going further into the reasons for such a need, I wanted to refresh this subject in...
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How to Replicate and Rename a Database in MariaDB
MySQL/MariaDB replication filter is an important feature when we need to replicate only certain databases or tables. Having this configuration option change dynamically is really convenient, but in...
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Why SELECT COUNT(*) FROM TABLE Is Sometimes Very Slow in MySQL or MariaDB
If you have enough experience with MySQL, it is very possible that you stumbled upon an unusually slow SELECT COUNT(*) FROM TABLE; query execution, at least occasionally. Recently, I had a chance to...
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Why MariaDB Is “Better” Than MySQL
Apples or oranges? Tea or coffee? Books or eBooks? Each of these comparisons has very similar features and serves many of the same purposes, but in the end, they are different choices people make. Do...
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How to Migrate From MariaDB to MySQL
MySQL and MariaDB are two major open source database management systems that share a common codebase and history. MariaDB started as a MySQL fork in 2009 to provide an alternate database version...
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How To Deal with a AUTO_INCREMENT Max Value Problem in MySQL and MariaDB
An application down due to not being able to write into a table anymore due to a maximum allowed auto-increment value may be one of the worst nightmares of a DBA. Typical errors related to this problem...
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