I am happy that the MySQL team is, during the last years, blogging about each major feature that MySQL Server is getting; for example, the series on Recursive Common Table Expressions. Being extremely busy myself, I appreciate taking the time
Finding out the MySQL performance regression due to kernel mitigation for Meltdown CPU vulnerability
Update: I included the results for when PCID is disabled, for comparison, as a worse case scenario. After learning about Meltdown and Spectre, I waited patiently to get a fix from my OS vendor. However, there were several reports of
How to install MySQL Server on Debian Stretch
For the impatient: # echo -e “deb http://repo.mysql.com/apt/debian/ stretch mysql-5.7\ndeb-src http://repo.mysql.com/apt/debian/ stretch mysql-5.7” > /etc/apt/sources.list.d/mysql.list # wget -O /tmp/RPM-GPG-KEY-mysql https://repo.mysql.com/RPM-GPG-KEY-mysql # apt-key add /tmp/RPM-GPG-KEY-mysql # apt update # apt install mysql-server In the latest stable version of Debian, if you
Testing (again) LOAD DATA on MySQL 5.6, 5.7, 8.0 (non-GA) and MariaDB 10.0, 10.1 and 10.2 (non-GA)
I’ve been lately compiling and generating .deb packages for several MySQL and MariaDB recent versions, and I wanted to try them more in depth -specially MySQL 8.0 and MariaDB 10.2, both of which are still in development. Several people have
Personal Summary of the Percona Live Amsterdam 2015 Conference
Last week, 21-23 September, it took place the European MySQL Conference, or “Data performance Conference” as this year’s subtitle was “MySQL. NoSQL. Data in the cloud.”. This year, it changed its location from London to Amsterdam and, as most people
DBAHire.com sponsors the “IX Concurso Universitario de Software Libre”
The “Concurso Universitario de Software Libre” (CUSL, Free Software University Contest), is an initiative similar to the Google Summer of Code, but specifically aimed to the Spanish university and high school students and organized by a group of Free Software
Stop using FLUSH PRIVILEGES
I see suggesting the usage of FLUSH PRIVILEGES every time someone writes a tutorial or a solution to a problem regarding creating a new account or providing different privileges. For example, the top post on /r/mysql as of the writing
EXPLAIN minor wishlist
While we always want better performance and more and larger features for MySQL, those cannot just “magically appear” from one version to another, requiring deep architecture changes and lots of lines of code. However, there are sometimes smaller features and
Regarding MySQL 5.6 temporary tables format
default_tmp_storage_engine variable was introduced in 5.6.3, allowing the configuration of the default engine for temporary tables. This seems to be in the direction, as I commented before, of making MyISAM an optional engine. In 5.7, a separate tablespace is being
Happy Holidays and Best Wishes for 2015!
We would like to wish you a happy holidays on behalf of the DBAHire.com team. May all your dreams come true in 2015! May your MySQL innodb_buffer_pool_reads be low and your Uptime high in 2015.