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Percona Toolkit 2.2.15 is now available
Percona is pleased to announce the availability of Percona Toolkit 2.2.15. Released August 28, 2015. Percona Toolkit is a collection of advanced command-line tools to perform a variety of MySQL server...
View ArticleAdvanced 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...
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MySQL is crashing: a support engineer’s point of view
In MySQL QA Episode #12, “MySQL is Crashing, now what?,” Roel demonstrated how to collect crash-related information that will help Percona discover what the issue is that you are experiencing, and fix...
View ArticlePercona XtraBackup 2.2.12 is now available
Percona is glad to announce the release of Percona XtraBackup 2.2.12 on August 3, 2015. Downloads are available from our download site or Percona Software Repositories.Percona XtraBackup enables MySQL...
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 ArticleChecking table definition consistency with mysqldiff
Data inconsistencies in replication environments are a pretty common. There are lots of posts that explain how to fix those using pt-table-checksum and pt-table-sync. Usually we only care about the...
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Importing big tables with large indexes with Myloader MySQL tool
Mydumper is known as the faster (much faster) mysqldump alternative. So, if you take a logical backup you will choose Mydumper instead of mysqldump. But what about the restore? Well, who needs to...
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Percona 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...
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MySQL 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 ArticleWhat happens when your application cannot open yet another connection to MySQL
Have you ever experienced a situation where one moment you can connect to the MySQL database and the next moment you cannot, only to be able to connect again a second later? As you may know one cannot...
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MySQL 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 Articlemysqld_multi: How to run multiple instances of MySQL
The need to have multiple instances of MySQL (the well-known mysqld process) running in the same server concurrently in a transparent way, instead of having them executed in separate containers/virtual...
View ArticleA closer look at the MySQL ibdata1 disk space issue and big tables
A recurring and very common customer issue seen here at the Percona Support team involves how to make the ibdata1 file “shrink” within MySQL. I can only imagine there’s a degree of regret by some of...
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Q&A: Even More Deadly Mistakes of MySQL Development
On Wednesday I gave a presentation on “How to Avoid Even More Common (but Deadly) MySQL Development Mistakes” for Percona MySQL Webinars. If you missed it, you can still register to view the recording...
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Importing big tables with large indexes with Myloader MySQL tool
Mydumper is known as the faster (much faster) mysqldump alternative. So, if you take a logical backup you will choose Mydumper instead of mysqldump. But what about the restore? Well, who needs to...
View ArticleClik here to view.
Percona 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 ArticleClik here to view.
MySQL 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 ArticleWhat happens when your application cannot open yet another connection to MySQL
Have you ever experienced a situation where one moment you can connect to the MySQL database and the next moment you cannot, only to be able to connect again a second later? As you may know one cannot...
View ArticleClik here to view.
MySQL 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 Articlemysqld_multi: How to run multiple instances of MySQL
The need to have multiple instances of MySQL (the well-known mysqld process) running in the same server concurrently in a transparent way, instead of having them executed in separate containers/virtual...
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