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Systemtap solves phantom MySQLd SIGTERM / SIGKILL issue

 | July 18, 2014 |  Posted In: Insight for DBAs, MySQL, Percona Managed Services, Percona Remote DBA

The Percona Managed Services team recently faced a somewhat peculiar client issue. We’d receive pages about their MySQL service being unreachable. However, studying the logs showed nothing out of the ordinary…. for the most part it appeared to be a normal shutdown and there was nothing in anyone’s command history nor a cron task to speak […]

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New mydumper 0.6.1 release offers performance and usability features

 | March 10, 2014 |  Posted In: Events and Announcements, MySQL, Percona Remote DBA

One of the tasks within Percona Remote DBA is to ensure we have reliable backups with minimal impact. To accomplish this, one of the tools our team uses is called mydumper. We use mydumper for logical backups because of several nice features. Some of them are: multithreaded, producing very fast backups compared to mysqldump almost […]

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Renaming database schema in MySQL

 | December 24, 2013 |  Posted In: Insight for DBAs, MySQL

One of the routine tasks for a DBA is renaming database schemas, and as such MySQL added a command to carry out that purpose called “RENAME DATABASE <database_name>”. However this command just made it through a few minor releases before being discontinued (from MySQL 5.1.7 to 5.1.23). Here’s a link to the reference manual regarding […]

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MySQL Backup tools used by Percona Remote DBA for MySQL

 | March 13, 2013 |  Posted In: Cloud and NoSQL, Insight for DBAs, Insight for Developers, MySQL

As part of Percona Remote DBA for MySQL service we recognize that reliable backups are one of the most important things we can bring to the table. In my experience handling emergencies, the single worst thing that can happen is finding out you don’t have backups available when some sort of data loss or catastrophic […]

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