… that Oracle made the decision not to support MySQL for IBM i any longer. This is certainly understandable. However, there are still users… delighted to do so. The result is Zend DBi. It is basically a renamed build of MySQL for IBM i. It’s a… to Oracle’s MySQL on another platform, it will work seamlessly. Why is Percona involved? Because providing quality server builds is a substantial…
Post: Announcement of Percona XtraDB Cluster 5.5.23
… and improvements. List of changes: Fixes merged from upstream (Codership-mysql) Support for MyISAM, now changes to MyISAM tables are replicated to… will be giving a free webinar on June 6th. This is an General Availability release. We did our best to eliminate… and problems during alpha and beta testing release, but this is a software, so bugs are expected. If you encounter them…
Post: Troubleshooting MySQL Memory Usage
… painful troubleshooting tasks with MySQL is troubleshooting memory usage. The problem usually starts like this – you have configured MySQL to use reasonable global… be found and fixed. This is where your MySQL Support contract can be handy. Conclusion Understanding where MySQL can allocate memory can help us…
Post: How We Got Here
… three bedrock principles serving as our guidelines: The event is MySQL-focused. The event is inclusive, with all vendors and competitors welcomed on… our sponsors, speakers, attendees, committee members, and friends for your support, encouragement, and participation. We’ll see you in Santa Clara…
Post: MariaDB 5.3 is released as GA!
… that our support contracts cover MariaDB as a first-class member of the MySQL family of databases. Finally, High Performance MySQL, Third Edition… just a sampling. A good starting point for learning more is the MySQL versus MariaDB wiki page. Note that a lot of… fix, and MySQL 5.6 offers microsecond timestamp support, as well as a lot of optimizer improvements. Even the standard MySQL 5.5…
Post: Community events around Percona Live MySQL Conference and Expo 2012
We’re very pleased with community support for Percona Live MySQL Conference and Expo. We’ve got wonderful speakers providing content … which you surely should not miss: Pythian is stepping in to organize traditional MySQL Community Dinner event during Tutorial Day of the… have its 4th Annual Drizzle day (April 13) Finally there is a first Sphinx Search Day hosted by Sphinx Technologies (April…
Post: Announcing Percona XtraBackup 2.0.0 GA
… entire backup to restore a single table). Percona XtraBackup now supports streaming incremental backups. In previous versions streaming backups were performed… LRU dump is now included as well. Support for compiling and running Percona XtraBackup against debug versions of InnoDB. This is only for… be part of the topics at the upcoming Percona Live MySQL Conference and Expo (register now!). Specifically, there are the following…
Post: Announcing Percona XtraBackup 1.9.1
… include: Backup and restore of LRU dump. For servers that support dump and restore of the XtraDB buffer pool (LRU), namely… streaming format to work with parallel compression. The xbstream format is now supported along with the tar format. The new xbstream format… (without caching) stream several compressed files at once. tar4ibd functionality is replaced by functionality in the xtrabackup binary itself. The xbstream…
Post: Join Optimizations in MySQL 5.6 and MariaDB 5.5
…, and that is Hash Joins. Hash Join As I have told before MySQL has only supported one join algorithm and that is Nested Loop… mean as follows: MySQL 5.6 (2) is for MySQL 5.6 w/ buffer size 6M MariaDB 5.5 (2) is for MariaDB 5… is one number in MariaDB 5.5 that is quite large as compared to MySQL 5.6 and that is ‘Handler_mrr_init’. Is it…
Post: Announcement of Percona XtraDB Cluster 5.5.20 GA release
… XtraDB Cluster. Percona XtraDB Cluster is a High Availability and Scalability solution for MySQL Users and is based on Percona Server 5.5… consistency. No more unsyncronised slaves. Percona XtraDB Cluster is fully compatible with MySQL or Percona Server in the following meaning: Data compatibility… for transactional applications. The Galera library is developed by Codership Oy company and Galera 2.x supports such new features as: Incremental…

