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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.
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?