May 25, 2012

Post: Benchmarking single-row insert performance on Amazon EC2

… software RAID 10. Now let’s come to the MySQL configuration. MySQL Configuration I used Percona Server 5.5.22-55 for… was all about the configuration of the EC2 instance and MySQL. Now as far as the benchmark itself is concerned, I…’s take a look at the graphs have a better view of the whole picture. Note, in the above graph, we…

Post: Percona Live MySQL Conference & Expo Was A Great Event

… in years.” Darren Cassar called it “one of the best MySQL conferences since I started attending four years ago,” while Marco… Oracle for their new development milestone release for MySQL 5.6, released on Monday. MySQL 5.6 just keeps looking better and….tv for your viewing pleasure anytime. Sheeri Cabral also recorded some of the breakout sessions, so watch Planet MySQL for an announcement…

Post: Speaking at POSSCON

… XtraDB Cluster. If you want to get a birds eye view about Open Source software Percona has created this is a…

Comment: MariaDB 5.3 is released as GA!

… would say MariaDB is seriously underrepresented on places like planet mysql. (Ie possibly real MariaDB usage must be higher than what…’t see the problem distros have with the MySQL model. Contrary to common belief MySQL maintenance releases have never included new features… whereas MySQL also fixes non-security bugs like server crash, wrong result or just performance regressions. From my point of view the…

Comment: How to recover a single InnoDB table from a Full Backup

Hello All – I have created a backup of my mysql database using the innobackupex-1.5.1 command. I have … get the database in my /var/lib/mysql folder. But I am able to view/access ONLY MYISAM table – but none of…

Post: MySQL VIEW as performance troublemaker

… solve the same problem having things more modular and using MySQL VIEWs ? mysql> create view user_counts as select user_id,count(*) cnt from… be very careful implementing MySQL VIEWs in your application, especially ones which require temporary table execution method. VIEWs can be used with very…

Post: Flexviews - part 3 - improving query performance using materialized views

… Unlike views which use the complete refresh method, incrementally refreshable views are not built directly from SQL. Instead, Flexviews includes a MySQL stored… from the dictionary directly to determine the contents of the view. mysql> select flexviews.get_sql( -> flexviews.get_id(‘demo’,'dashboard_customer…

Post: MySQL opening .frm even when table is in table definition cache

… more complete view of how the Storage Engine API is called. But back to what the above strace shows. In MySQL 5…_type(). In MySQL 5.1, for some reason yet unknown to humans, it lives in sql/sql_view.cc as mysql_frm_type(). What this code snippet does is: open the FRM read 10 bytes (“header”) check if it’s a view

Post: Ultimate MySQL variable and status reference list

… constantly referring to the amazing MySQL manual, especially the option and variable reference table. But …sizeblogpercona.commanual tx_isolationblogpercona.commanual unique_checksblogpercona.commanual updatable_views_with_limitblogpercona.commanual Uptimeblogpercona.commanual Uptime_since_flush_…

Post: Which Linux distribution for a MySQL database server? A specific point of view.

MYSQL, upgrade MySQL, 10x start/stop MySQL, upgrade MySQL, downgrade MySQL, upgrade MySQL, install a security fix for something, 20x start/stop MySQL, upgrade MySQL, … . Restarting and changing MySQL… ‘dpkg –configure -a’ would cause MySQL to shut down. The MySQL package scripts for Debian force MySQL stop/start upon completion and unlike…