… create orig_old Load the schema into the target database: mysql orig_old < /tmp/orig.schema.sql Ensure innodb_import_table..._old Make sure that the files are owned by mysql: chown mysql:mysql /var/lib/mysql/orig_old/* For each table, run: ALTER TABLE…_SCHEMA.TABLES WHERE TABLE_SCHEMA=’orig’ AND ENGINE=’InnoDB’; EOF mysql -N -B <<'EOF' > import-ddl.sql SELECT CONCAT(‘ALTER TABLE…
Post: Private, custom Percona MySQL Training
June 7, 2013 By Leave a Comment
…”] 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
June 6, 2013 By 1 Comment
… 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
June 4, 2013 By 2 Comments
… 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
June 3, 2013 By 2 Comments
On Friday I gave a presentation on “MySQL Query Patterns, Optimized” for Percona MySQL Webinars. If you missed it, you can still… queries. The query optimizer analyzes queries for common patterns the MySQL designers know can be improved. But there’s a finite… IDs for movies are distributed uniformly over the range 1..MAX(id)? Yes, there’s a risk if you have irregular…
Comment: Percona XtraBackup 2.1.3 for MySQL available for download
May 30, 2013 By 3 Comments
…/ key_buffer_size=52428800 read_buffer_size=131072 max_used_connections=13 max_threads=2002 thread_count=6 connection_count=6 It…_size + (read_buffer_size + sort_buffer_size)*max_threads = 4432877 K bytes of memory Hope that’s ok; if not, decrease some…:53:56 mysqld_safe mysqld from pid file /var/lib/mysql/srv-d2-mysql02.pid ended in an another environment I…
Post: Experiences with the McAfee MySQL Audit Plugin
May 23, 2013 By 4 Comments
… 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
May 22, 2013 By 3 Comments
… 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: MySQL and the SSB - Part 2 - MyISAM vs InnoDB low concurrency
May 22, 2013 By Leave a Comment
… threads) with fast IO (OCZ R4 1.6TB) and 128GB memory. For the hot test, the data fits in the buffer… the working set fits in memory, InnoDB almost always performs better, at least for this workload. Notes MySQL version used: 5.6… [mysqld] datadir=/mnt/mysql56/data basedir=/usr/local/mysql socket=/var/lib/mysql/mysql.sock user=justin innodb_buffer_pool_size=64G innodb…
Post: How people are using MySQL... from 1 user to 100 million (upcoming conference talk)
June 11, 2013 By Leave a Comment
MySQL can be deployed in several ways, and that means you …
