June 19, 2013

Post: Percona Server for MySQL 5.5.31-30.3 now available

… a regression that could cause a memory leak if query cache was used together with InnoDB. Bug fixed #1170103. Fixed the… #1171941. Fixed the CVE-2012-5627 vulnerability, where an unprivileged MySQL account owner could perform brute-force password guessing attack on… MDEV-3915). Bug fixed #1172090. mysql_set_permission was failing on Debian due to missing libdbd-mysql-perl package. Fixed by adding…

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…”:”localhost”,”cmd”:”Connect”,”query”:”Connect”} {“msg-type”:”activity”,”date”:”1369155747373″,”thread-id”:”6439″,”query-id”:”219309″,”user”:”debian-sys-maint”,”priv…

Post: MySQL and the SSB - Part 2 - MyISAM vs InnoDB low concurrency

… with a Xeon E5-2680 (8 cores, 16 threads) with fast IO (OCZ R4 1.6TB) and … datadir=/mnt/mysql56/data basedir=/usr/local/mysql socket=/var/lib/mysql/mysql.sock user=justin innodb_buffer_pool_size… innodb_old_blocks_time=0 table_open_cache=2048 table_definition_cache=16384 innodb_flush_method=O_DIRECT…

Post: Percona MySQL University @Portland next Monday!

…, Percona Xtrabackup and Performance and Improvements and new Features in MySQL 5.6 Garrick Peterson, a member of Percona’s RemoteDBA… replication integrity And finally, Andrew Ferlitsch will share with how MySQL can be used to provide access to government data. The…… :)   So register now! Please also join the Portland MySQL Meetup group for more MySQL-focused events in Portland If you love the…

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 … have to deal with. Even later, when asynchronous or single-threaded replication is not enough, people can use Percona XtraDB Cluster…

Post: Migrating between MySQL schemas with Percona Xtrabackup

… 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: Choosing a MySQL HA Solution - Post-Webinar Q&A

… physical volume. So, in effect, you’re adding performance hit to performance hit. The other reason is because virtual machines tend to…: 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…