… 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: The small improvements of MySQL 5.6: Duplicate Index Detection
May 31, 2013 By Leave a Comment
… warning (0.56 sec) Records: 0 Duplicates: 0 Warnings: 1 mysql> SHOW WARNINGS\G *************************** 1. row *************************** Level: Note Code: 1831 Message: Duplicate… just the first one. Why can’t MySQL enforce this kind of constraints? For many reasons: the first one because it would break 99% of all applications out there that use MySQL, for which…
Post: Replication in MySQL 5.6: GTIDs benefits and limitations - Part 2
May 30, 2013 By 6 Comments
… slave; # For s1, s3 and s4 mysql> stop slave; mysql> change master to master_port=10002; mysql> start slave; Those of you who… try! # For s0,s1, s3, s4 mysql> stop slave; mysql> change master to master_port=10002; mysql> start slave; # And then check the… last executed event is 219be3a9-c3ae-11e2-b985-0800272864ba:1. How can I instruct mysqlbinlog to start reading from there? Unfortunately…
Post: Percona Server for MySQL 5.5.31-30.3 now available
May 24, 2013 By Leave a Comment
… #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: 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: Percona MySQL University @Portland: June 17
May 22, 2013 By 1 Comment
…, 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: Replication in MySQL 5.6: GTIDs benefits and limitations - Part 1
May 21, 2013 By 8 Comments
… GTIDs on a production setup. The manual describes very nicely how to switch to GTID-based replication, I won’t repeat… not on slave #2: # slave #1 mysql> change master to master_auto_position = 1; mysql> start slave; and let’s create a… slave status\G [...] Auto_Position: 1 -> GTID-based positioning # Slave #2 mysql> show slave status\G [...] Auto_Position: 0 -> File-based positioning Conclusion…
Comment: ZFS on Linux and MySQL
June 7, 2013 By 17 Comments
… you posted. It is not an easy move for a MySQL dba to steal 20GB memory from the Innodb buffer pool… it was the first time I read something about it. How different is it from Solaris in term of porting? @kyle…
Post: Multicast replication in Percona XtraDB Cluster (PXC) and Galera
June 5, 2013 By
… it down, configure our mcast address and re-bootstrap it: [root@node3 mysql]# service mysql stop [root@node2 mysql]# service mysql stop [root@node1 mysql]# service mysql stop [root@node1 mysql]# service mysql start –wsrep_cluster_address=gcomm:// [root@node2 mysql]# service mysql start [root@node3 mysql…
Comment: MySQL 5.6.7-RC in tpcc-mysql benchmark
June 3, 2013 By 22 Comments
Hy, I’m new to TPC-C benchmarking and i would like to know how and what are the steps for testing MySQL with TPC-C benchmark. My goal is to compare VoltDB and MySQL under TPC-C benchmark. Thanks
