Planet MySQL HA Blog

The financial services industry is facing a new regulation: the Digital Operational Resilience Act (DORA). One of the key requirements of DORA is that financial institutions must have a robust riskmanagement framework in place. This framework must identify, assess, and mitigate ICT risks. MySQL Enterprise Edition can help organizations achieve DORA compliance byproviding a number of features that can help to identify, assess, and mitigate ICT risks.

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This blog shows how HeatWave MySQL delivers substantially more value than the MySQL cloud services offered by AWS, Google Cloud, and Azure. Furthermore, not only can you power your OLTP applications using HeatWave MySQL but you also get built-in lakehouse-scale analytics, generative AI, and machine learning at no additional cost

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Explore open source ETL tool, Airbyte to synchronise data from various data sources such as cloud database (AWS, Azure, GCP) or on-premises databases (MySQL, PostgreSQL, etc) to Oracle HeatWave on OCI.

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The 2024 JetBrains Developer Ecosystem Report reaffirms what millions of developers already know—MySQL is the #1 database. According to the report, "MySQL continues to be the most widely used database, favored by developers across various domains for its reliability and ease of use.

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Advent Calendar Recap 2024

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PCI DSS 4.0 Compliance and MySQL

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This is the agenda of the preFOSDEM MySQL Belgian Days 2025, an Oracle MySQL technical event managed by the MySQL Community Team for customers, partners & community users.

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Did you ever need to determine the performance of a query over time? One of the problems with database query optimizations is that the underlying data is always churning. Add in an increase in the number of users, expanding server demand use, and other items that impact your query. What was optimized is no longer performing as expected.

MySQL added a JSON format option to the output of the EXPLAIN command quite a while ago. More recently, Oracle added the feature of saving the output into a varia

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Percona Toolkit 3.7.0 has been released on Dec 23, 2024. The main feature of this release is MySQL 8.4 support. In this blog, I will explain what has been changed. A full list of improvements and bug fixes can be found in the release notes. TLDR; Replication statements in 8.4 are fully supported by the Percona Toolkit pt-slave-delay has been deprecated. pt-slave-find has been renamed to pt-replica-find. The old name has been deprecated but exists in the repository as an alias of the pt-replica-f

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Used to be that replication lag was as simple as Seconds_Behind_Master (renamed to Seconds_Behind_Source). But with multi-threaded replication (MTR) this is no longer the case. It’s time to relearn replication lag monitoring using Performance Schema tables.

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