… is basically nothing more than a file on the host filesystem rather than an actual physical volume. So, in effect, you… the MySQL world, except maybe MyISAM files on top of a clustered filesystem with an external lock manager. You might say that MySQL…: Incorrect information in file: ‘./mysql/servers.frm’ ERROR: 1033 Incorrect information in file: ‘./mysql/servers.frm’ Running mysql_install_db under strace, I…
Post: Private, custom Percona MySQL Training
…”] Alexei Rodriguez presenting at PLMCE13[/caption] During the Percona Live MySQL Community Event this year we had the pleasure of Alexei Rodriguez discussing why Evernote uses Percona’s Private Custom MySQL Training. Alexei is VP of operations there and you can…
Post: Summertime Percona MySQL training update
… course. Percona has a packed summer MySQL training schedule. In June we have: Moving to MySQL 5.6 – Austin, TX Begins Monday… Begins Monday, June 17, 2013 , 9am – 5pm Eastern Moving to MySQL 5.6 – Manchester, UK Begins Monday, June 17, 2013 , 9am…, FL Begins Monday, August 5, 2013 , 9am – 5pm Moving to MySQL 5.6 – Minneapolis, MN Begins Thursday, August 8, 2013 , 9am…
Post: Implementing SchemaSpy in your MySQL environment
… Percona Server 5.6.10 sandbox: description=MySQL driver=com.mysql.jdbc.Driver connectionSpec=jdbc:mysql://127.0.0.1:5610/schemaspy driverPath=/usr/share/java/mysql-connector-java.jar Example Schema…
Post: MySQL Query Patterns, Optimized - Webinar questions followup
On Friday I gave a presentation on “MySQL Query Patterns, Optimized” for Percona MySQL Webinars. If you missed it, you can still…: Q: Can you compare the use of subqueries/multiple joins vs. multiple queries (e.g. temp tables)? For performance, it’s… queries. The query optimizer analyzes queries for common patterns the MySQL designers know can be improved. But there’s a finite…
Post: ZFS on Linux and MySQL
… server can easily handle the write load of all the MySQL instances. The original idea was to configure them with raid…, like LVM but… since it is a copy on write filesystem, the snapshots are free, no performance penalty. You can easily… together, ZFS on Linux is a very interesting solution for MySQL backup servers. All backup solutions have an impact on performance…
Post: Experiences with the McAfee MySQL Audit Plugin
… share my experience in this post. Auditing user activity in MySQL has traditionally been challenging. Most data can be obtained from… why that is the case. Maybe someone more knowledgeable in MySQL internals can enlighten me here. – audit_record_objs : List of… important missing feature on the server, which has made using MySQL in PCI or SOX compliant environments, to name just two…
Post: Percona XtraBackup 2.1.3 for MySQL available for download
… to faster restore time XtraBackup makes MySQL hot backups for all versions of Percona Server, MySQL, MariaDB, and Drizzle. It performs streaming, compressed, and incremental MySQL backups. Percona’s enterprise-grade commercial MySQL Support contracts include support for XtraBackup. We…
Post: Percona MySQL University @Portland: June 17
…, free, fast-paced and very technical MySQL educational event for wide range of people interested in MySQL – Developers, System Administrators, DBAs, etc… speaking opportunities available – if you would like to share your MySQL story at this event please email Matthew Dowell by Tuesday…
Post: How people are using MySQL... from 1 user to 100 million (upcoming conference talk)
MySQL can be deployed in several ways, and that means you …

