June 19, 2013

Post: Migrating between MySQL schemas with Percona Xtrabackup

Get the table structures:  mysqldump –no-data orig > /tmp/orig.schema.sql Create the new target database:  mysqladmin create orig_old Load the schema into thehave a old version of the schema running side by side with the current version on the

Post: Implementing SchemaSpy in your MySQL environment

the work for you.  Basically if your database has Foreign Keys then you’re laughing, if not dont despair, you just haveI created the mysql.properties file in the same directory as the jar file, I dont

Post: The small improvements of MySQL 5.6: Duplicate Index Detection

on the small but handy improvements – changes and bug corrections – in MySQL 5.6 that can make our lives easier and haveall) DBAs. Duplicate Index Detection I commented about this on my last webinar, but did not have time to analyze it in

Post: How people are using MySQL... from 1 user to 100 million (upcoming conference talk)

having inconsistent data on the nodes and encounter replication errors, which you haveI will give a talk on this topic at next month’s RAMP conference in Budapest, Hungary. My

Post: Percona Server 5.1.69-14.7 now available: A drop in replacement for MySQL

on MySQL 5.1.69, this release will include all the bug fixes in it. All of Percona’s software is open-source and free, all thethe directory and file name components in a bitmap file name could stop the server starting if the innodb_data_home_dir variable didn’t have the

Comment: ZFS on Linux and MySQL

…is the best thing since the invention of L2ARC and ZIL. All I am dreaming now is to have LZ4 … so I consider that pretty much dead project. The only thing I dont like about OmniOS is that the illumos …MySQL Masters using Pacemaker. Maybe you guys can get Galera working on OmniOS to solve our lack …

Post: Multicast replication in Percona XtraDB Cluster (PXC) and Galera

t much traffic in my puny local VMs, but you get the idea.  We can clearly see some factor in play adding the extra nodes. Multicast to thein my trivial VM environment, I just need to make sure that the multicast address space routes to my Galera replication interface, eth1: [all

Post: Percona Server 5.6.11-60.3 first Release Candidate now available

on MySQL 5.6.11, including all the bug fixes in it, Percona Server 5.6.11-60.3 is the first RC release in thethe directory and file name components in a bitmap file name could stop the server starting if the innodb_data_home_dir variable didn’t have the

Post: MySQL Query Patterns, Optimized - Webinar questions followup

the great questions.  I answered as many as we had time for  during the session, but here are all the questions with myhave to match the order of columns in the index.  Example: WHERE (last_name, first_name) = (‘Karwin’, ‘Bill’); Q: On the Dynamic Pivot, the

Post: Replication in MySQL 5.6: GTIDs benefits and limitations - Part 2

All slaves have processed all the writes This is the easiest case, we will make s2 a master and redirect replication on thefile/binlog position needs to be done with care if you dontin my opinion: look for the binlog file/position of the last executed event and use mysqlbinlog with the