EmergencyEMERGENCY? Get 24/7 Help Now!

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 […]

Read More

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 […]

Read More

Webinar Wednesday June 29: Percona XtraDB Cluster Reference Architecture

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

Percona XtraDB Cluster Reference Architecture

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 […]

Read More

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 […]

Read More

Percona Toolkit 2.2.18 is now available

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

Percona Toolkit

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 […]

Read More

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 […]

Read More

Troubleshooting configuration issues: Q & A

 | June 22, 2016 |  Posted In: MySQL

Troubleshooting configuration issues

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, […]

Read More

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 […]

Read More

Docker automatic MySQL slave propagation

 | June 21, 2016 |  Posted In: Docker, MySQL, Percona XtraDB Cluster

Docker automatic MySQL slave propagation

In this post, we’ll discuss Docker automatic MySQL slave propagation for help with scaling. In my previous posts on the Docker environment, I covered Percona XtraDB Cluster. Percona XtraDB Cluster can automatically scale by conveniently adding new nodes using the highly automated State Snapshot Transfer. State Snapshot Transfer allows a new node to copy data […]

Read More

Percona’s widely read Percona Data Performance blog highlights our expertise in enterprise-class software, support, consulting and managed services solutions for both MySQL® and MongoDB® across traditional and cloud-based platforms. The decades of experience represented by our consultants is found daily in numerous and relevant blog posts.

Besides specific database help, the blog also provides notices on upcoming events and webinars.
Want to get weekly updates listing the latest blog posts? Subscribe to our blog now! Submit your email address below and we’ll send you an update every Friday at 1pm ET.

No, thank you. Please do not ask me again.