What 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 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...
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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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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 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...
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 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...
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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 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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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...
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