… 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
June 7, 2013 By Leave a Comment
… is my recommendation for MySQL 5.6? Is MHA ready for MySQL 5.6? A: My personal recommendation for MySQL 5.6, based…; my initial reaction was, honestly, why would you ever want to use MySQL on top of something like that? I can’t…: 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
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: 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… index. Does it mean that tools like pt-duplicate-key-checker will not be necessary for MySQL 5.6? Let’s have…
Post: How to fix your PRM cluster when upgrading to RHEL/CentOS 6.4
May 29, 2013 By 2 Comments
…MySQL [p_mysql] (unmanaged) p_mysql:0 (ocf::percona:mysql): Master percona1 (unmanaged) p_mysql:1 (ocf::percona:mysql): Slave percona2 (unmanaged) p_mysql:2 (ocf::percona:mysql…mode=false You can also check your cluster using cman_tool or clustat (if you have installed rgmanager) [root@percona3 ~]# …
Post: Choosing a MySQL HA Solution - MySQL Webinar: June 5
May 28, 2013 By 1 Comment
… UTC), I will be presenting a webinar entitled, Choosing a MySQL HA Solution, in which we’ll explore the topic of MySQL HA from each of these perspectives. The goal will be …-known MySQL HA tools and technologies available today (largely grouped into those which use traditional MySQL replication, those which use some other MySQL-level…
Post: Percona Server for MySQL 5.5.31-30.3 now available
May 24, 2013 By Leave a Comment
… introduced with the fix for bug #710799. This regression caused mysql schema to be missing after the clean RPM installation. Bug… #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: ZFS on Linux and MySQL
May 24, 2013 By 17 Comments
… server can easily handle the write load of all the MySQL instances. The original idea was to configure them with raid… the fly and it is surprisingly cheap. In fact the best tpcc results I got were when using compression. I still… 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
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…
