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Galera Cluster 2.1 Release Rolling Out
Galera Cluster release 2.1 has been published. This is a maintenance release and includes the new Galera Replication library version 2.1 and corresponding MySQL server releases for both MySQL 5.5.23...
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Intel 520 SSD in MySQL sysbench oltp benchmark
In my raw IO benchmark of Intel 520 SSD we saw that the drive does not provide uniform throughput and response time, but it is interesting how does it affect workload if it comes from MySQL. I prepared...
View ArticleGetting rid of huge ibdata file, no dump required
You have been told (guilty as charged), that the only way to get rid of the huge InnoDB tablespace file (commonly named ibdata1), when moving to innodb_file_per_table, is to do a logical dump of your...
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MySQL Cluster 7.2.6 is available for download
The binary version for MySQL Cluster 7.2.6 has now been made available at http://www.mysql.com/downloads/cluster/ (GPL version) or https://support.oracle.com/ (commercial version). A description of...
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MySQL Cluster 7.2 achieves 4.3BN reads per minute
Previously we announced that MySQL Cluster 7.2.5 achieved 1.05BN reads per minute on an 8-node configuration using Intel Xeon X5670 CPUs. We got the chance to try out MySQL Cluster 7.2 now also on a...
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An elaborate way to break a MySQL server with XtraBackup
XtraBackup is a great piece of software from Percona, which allows creating (nearly) lock-less MySQL/InnoDB backups. The tool has been around for quite some time and recently even received a major...
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Script all the jobs in SQL Server
This is very interesting fact that people always look for shortcuts especially while accomplishing the big tasks. Here i have came up with a scenario: I have got a task to setup a new server B (lets...
View ArticleHave you tested pt-online-schema-change?
I’ve been seeing a lot of interest in pt-online-schema-change (nonblocking MySQL schema changes), with a lively discussion on the mailing list (which I think I’m not keeping up with…) and a couple of...
View ArticleInstall and configure MySQL on EC2 with RedHat Linux
Recently I had to turn a few EC2 instances into MySQL database servers. The third time I had to do it, I grabbed the list of steps from my previous sessions and just replayed it. Later I thought maybe...
View ArticleNew Continuent Tungsten 1.5 now available
The best MySQL high availability solution on the market gets even better! We are happy to announce immediate availability of Continuent Tungsten 1.5.New Continuent Tungsten 1.5 offers significant...
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btrfs – probably not ready yet
Every time I have a conversation on SSD, someone mentions btrfs filesystem. And usually it is colored as a solution that will solve all our problems, improve overall performance and SSD in particular,...
View ArticleHow to download and install MySQL on Mac OS X
MySQL is the most popular open source database management system. It allows you to quickly download and install and run a powerful database system on almost any platform available including Linux,...
View ArticleMySQL 5.6 Replication: FAQ
On Wednesday May 16th, we ran a webinar to provide an overview of all of the new replication features and enhancements that are previewed in the MySQL 5.6 Development Release – including Global...
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451 Research delivers market sizing estimates for NoSQL, NewSQL and MySQL...
NoSQL and NewSQL database technologies pose a long-term competitive threat to MySQL’s position as the default database for Web applications, according to a new report published by 451 Research. The...
View ArticleUTF-8 with MySQL and LAMP
A recent question on a mailing list was the best practices for UTF-8 and PHP/MySQL. The following are the configurations I used in my multi-language projects. MySQL UTF-8 Configuration # my.cnf...
View ArticleThanks to the MySQL Connect Content Committee
A big thanks goes out to everyone involved with the MySQL Connect Content Committee. We had a great response to the call for papers and realize that it took a considerable amount of time and effort to...
View ArticlePercona Live MySQL Conference 2012 Prize Winners and Percona Live New York 2012
I’m pleased to announce a variety of prize winners associated with the Percona Live MySQL Conference and Expo 2012. The following people won prizes in the pre-conference registration promotion: Kindle...
View ArticleOverlooked MySQL 5.6 New Features – WL#5217
There’s a lot of great new features in MySQL 5.6 DMRs – almost too many to keep track of. And while a lot of (justified) attention is given to the headline-grabbing features of 5.6 (memcached APIs!...
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MySQL Striped Views
A question came up today about how to stripe a MySQL view, and this post shows you how. Along with the question, there was a complaint about why you can’t use session variables in a view definition....
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A tale of a benchmark attempt - Attempt 1
Whoa, it was a long time since I posted here! But I have been very busy with non-MySQL related issues lately, so that is an explanation I guess.This week I decided to try a few MySQL things anyway, the...
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