Advanced Query Tuning in MySQL 5.6 and MySQL 5.7 Webinar: Q&A
Thank you for attending my July 22 webinar titled “Advanced Query Tuning in MySQL 5.6 and 5.7” (my slides and a replay available here). As promised here is the list of questions and my answers (thank...
View ArticleThe Q&A: Creating best-in-class backup solutions for your MySQL environment
Thank you for attending my July 15 webinar, “Creating Best in Class Backup solutions for your MySQL environment.” Due to the amount of content we discussed and some minor technical difficulties faced...
View ArticleWhy Percona Acquired Tokutek: by Peter Zaitsev
It is my pleasure to announce that Percona has acquired Tokutek and will take over development and support for TokuDB® and TokuMX™ as well as the revolutionary Fractal Tree® indexing technology that...
View ArticleTokuDB Table Optimization Improvements
Section I: Fractal Tree and Optimization Overview Tokutek’s Fractal Tree® technology provides fast performance by injecting small messages into buffers inside the Fractal Tree index. This allows writes...
View ArticleTokuDB 7.5.5 is now available
Tokutek is pleased to announce the general availability of TokuDB 7.5.5. The notable changes since TokuDB 7.5.3 are:Rebased onto MySQL 5.5.41 and MariaDB 5.5.41 to integrate the latest changesImproved...
View ArticleSpeed up GROUP BY queries with subselects in MySQL
We usually try to avoid subselects because sometimes they force the use of a temporary table and limits the use of indexes. But, when is good to use a subselect?This example was tested over table a...
View ArticleMySQL 5.7 key features
The other day I was discussing new features of MySQL 5.7 with a Percona Support customer. After that conversation, I thought it would be a good idea to compile list of important features of MySQL 5.7....
View ArticleProfiling MySQL queries from Performance Schema
When optimizing queries and investigating performance issues, MySQL comes with built in support for profiling queries akaSET profiling = 1; . This is already awesome and simple to use, but why the...
View ArticleTokutek now part of the Percona family
It is my pleasure to announce that Percona has acquired Tokutek and will take over development and support for TokuDB® and TokuMX™ as well as the revolutionary Fractal Tree® indexing technology that...
View ArticleThe cost of not properly managing your databases
Every day hundreds of millions of dollars are wasted by allowing improperly tuned or misconfigured systems, misunderstood infrastructure, and inefficient IT operations to live and thrive in data...
View ArticleDeep dive into MySQL’s innochecksum tool
One of our Percona Support customers recently reported that Percona XtraBackup failed with a page corruption error on an InnoDB table. The customer thought it was a problem or bug in the Percona...
View ArticlePercona Server 5.6.22-71.0 is now available
Percona is glad to announce the release of Percona Server 5.6.22-71.0 on January 12, 2015. Download the latest version from the Percona web site or from the Percona Software Repositories.Based on MySQL...
View ArticleInnoDB crash recovery speed in MySQL 5.6
It has been a while since I have looked at InnoDB crash recovery. A lot has change in the last few years – we have serious crash recovery performance improvements in MySQL 5.5 and MySQL 5.6, we have...
View ArticleStore UUID in an optimized way
A few years ago Peter Zaitsev, in a post titled “To UUID or not to UUID,” wrote: “There is timestamp based part in UUID which has similar properties to auto_increment and which could be used to have...
View ArticleMySQL 5.6 Transportable Tablespaces best practices
In MySQL 5.6 Oracle introduced a Transportable Tablespace feature (copying tablespaces to another server) and Percona Server adopted it for partial backups which means you can now take individual...
View ArticleAvoiding MySQL ALTER table downtime
MySQL table alterations can interrupt production traffic causing bad customer experience or in worst cases, loss of revenue. Not all DBAs, developers, syadmins know MySQL well enough to avoid this...
View ArticleMySQL upgrade best practices
MySQL upgrades are necessary tasks and we field a variety of questions here at Percona Support regarding MySQL upgrade best practices. This post highlights recommended ways to upgrade MySQL in...
View ArticleProfiling MySQL queries from Performance Schema
When optimizing queries and investigating performance issues, MySQL comes with built in support for profiling queries akaSET profiling = 1; . This is already awesome and simple to use, but why the...
View ArticleTokutek now part of the Percona family
It is my pleasure to announce that Percona has acquired Tokutek and will take over development and support for TokuDB® and TokuMX™ as well as the revolutionary Fractal Tree® indexing technology that...
View ArticleThe cost of not properly managing your databases
Every day hundreds of millions of dollars are wasted by allowing improperly tuned or misconfigured systems, misunderstood infrastructure, and inefficient IT operations to live and thrive in data...
View Article