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I deal with all shipes and sizes, and distributions, of Linux. Each Linux distribution has quirks. Particularly with package management. There are some people who are religious about RPM (Redhat, Centos, Fedora, Suse, etc.) or APT (Debian, Ubuntu, etc). I see both good and bad points of each. In my daily tasks, I just want […]
I know most articles are more about DBA issues, however, being a MySQL DBA means that you have several hats that you can where– data architect, application developer, MySQL source developer, and often good old fashioned DBA. I recently had an interesting problem with a particular project I was working on that required the MySQL […]
So often, you have a task where you need to perform an alteration of a huge table while not wanting to affect the operation of your website. With an alter table, MySQL will internally lock the table in question, create a temporary table with the new table definition, copy the date, then drop the current […]
I’m pleased to announce the release of the Narada Search Engine Application, version 0.202, as well as a ready-to-use AMI, ami-140df07d. The source release can be found at Launchpad – lp:narada and and a packaged version at http://www.patg.net What is Narada? Narada is a search engine application. It does have a web application component, but […]
Today, I had a task of modifying a slave to exclude (or if you want to say specifically include) tables. The situation is that this slave need only contain tables used for reporting. The added benefit being that with fewer tables to replicate there will be less replication traffic, less disk I/O and less disk space used hence better performance for queries that digest statistical data.
I’m posting to describe some of the features and improvements that I have been utilizing with the Percona Server with XtraDB MySQL distribution, as well as Percona’s XtraBackup. If you don’t already know, Percona Server XtraDB is a backwards-compatible MySQL distribution with XtraDB, an enhanced version of InnoDB. It runs faster, has better performance and is easier to monitor and tune.
Over the past several weeks, we’ve been working on debugging a stored procedure bug for a client. Coming from a software development background, I looked at the procedure like any piece of code — how can I debug the program and be able to use some means of knowing the values within the program while it’s running?