Getting EXPLAIN information from already running queries in MySQL 5.7
When a new version of MySQL is about to be released we read a lot of blog posts about the performance and scalability improvements. That’s good but sometimes we miss some small features that can help...
View ArticlePercona Server 5.6.25-73.0 is now available
Percona is glad to announce the release of Percona Server 5.6.25-73.0 on July 1, 2015. Download the latest version from the Percona web site or from the Percona Software Repositories.Based on MySQL...
View ArticleMySQL replication primer with pt-table-checksum and pt-table-sync
MySQL replication is a process that allows you to easily maintain multiple copies of MySQL data by having them copied automatically from a master to a slave database.It’s essential to make sure the...
View ArticleOptimizing PXC Xtrabackup State Snapshot Transfer
State Snapshot Transfer (SST) at a glancePXC uses a protocol called State Snapshot Transfer to provision a node joining an existing cluster with all the data it needs to synchronize. This is analogous...
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...
View ArticleObjectRocket’s David Murphy talks about MongoDB, Percona Live Amsterdam
Say hello to David Murphy, lead DBA and MongoDB Master at ObjectRocket (a Rackspace company). David works on sharding, tool building, very large-scale issues and high-performance MongoDB architecture....
View ArticleMySQL 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 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 ArticleTesting MySQL partitioning with pt-online-schema-change
There are cases where we need to implement MySQL partitioning, or at least test if it is an option to solve an issue. However, how are we able to test it when the table on our production environment...
View ArticlePercona Server 5.6.26-74.0 is now available
Percona is glad to announce the release of Percona Server 5.6.26-74.0 on September 15, 2015. Download the latest version from the Percona web site or from the Percona Software Repositories.Based on...
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