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Rescuing a crashed pt-online-schema-change with pt-archiver

 | June 30, 2016 |  Posted In: MySQL, Percona Server, Percona Software, Percona Toolkit, Replication

crashed pt-online-schema-change

This article discusses how to salvage a crashed pt-online-schema-change by leveraging pt-archiver and executing queries to ensure that the data gets accurately migrated. I will show you how to continue the data copy process, and how to safely close out the pt-online-schema-change via manual operations such as RENAME TABLE and DROP TRIGGER commands. The normal process to […]

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2016 MySQL User Group Leaders Summit

 | June 29, 2016 |  Posted In: Events and Announcements, MySQL

MySQL User Group Leaders Summit

In this post, I’ll share my experience attending the annual MySQL User Group Leaders Summit in Bucharest, Romania. The MySQL User Group Leaders Summit gathers together as many of the global MySQL user group leaders as possible. At the summit, we discuss further actions on how we can better act for their local communities. This […]

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Webinar Wednesday June 29: Percona XtraDB Cluster Reference Architecture

 | June 27, 2016 |  Posted In: MySQL, Percona XtraDB Cluster

wsrep-stages

Please join Jay Janssen for the webinar Percona XtraDB Cluster Reference Architecture Wednesday, June 29 at 10:00 AM PDT (UTC- 7). A reference architecture shows a typical, common, best-practice deployment of a system with all the surrounding infrastructure. In the case of database clusters, this can include the hosting platform, load balancing, monitoring, backups, etc. Percona […]

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The need for parallel crash recovery in MySQL

 | June 27, 2016 |  Posted In: MySQL

parallel crash recovery in MySQL

In this blog, I will discuss how parallel crash recovery in MySQL benefits several processes. I recently filed an Oracle feature request to make crash recovery faster by running in multiple threads. This might not seem very important, because MySQL does not crash that often. When it does crash, however, crash recovery can take 45 […]

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Percona Toolkit 2.2.18 is now available

 | June 24, 2016 |  Posted In: Events and Announcements, MySQL, Percona Software, Percona Toolkit

pt-stalk

Percona announces the availability of Percona Toolkit 2.2.18, released on June 24, 2016. Percona Toolkit is a collection of advanced command-line tools to perform a variety of MySQL server and system tasks that are too difficult or complex for DBAs to perform manually. Percona Toolkit, like all Percona software, is free and open source. This release is the […]

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Migrate from MS SQL Server to MySQL

 | June 23, 2016 |  Posted In: MySQL

Migrate from MS SQL Server to MySQL

In this blog series, I will share my experiences as I migrate commercial databases (i.e., Microsoft SQL or Oracle) to open source (MySQL). More specifically, we will look at how you can migrate from MS SQL Server to MySQL. For this first blog post I’ve chosen Jira database as an example, and used three different tools to […]

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Troubleshooting configuration issues: Q & A

 | June 22, 2016 |  Posted In: MySQL

Overlooked MySQL performance optimization

In this blog, I will provide answers to the Q & A for the Troubleshooting configuration issues webinar. First, I want to thank you for attending the June, 9 webinar. The recording and slides for the webinar are available here. Below is the list of your questions that I wasn’t able to answer during the webinar, […]

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Sneak peek at the Percona Live Europe Amsterdam 2016 talks

 | June 22, 2016 |  Posted In: MySQL

Percona Live Europe Amsterdam 2016 talks

On behalf of the Percona Live Conference Committee, I am excited to announce the sneak peek schedule for the Percona Live Europe Amsterdam 2016 talks! Percona Live Europe will feature a variety of formal tracks and sessions related to MySQL, MongoDB and ODBMS from members of the open source community. With many slots to fill, there will be […]

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