Tag: MySQL

At some point in every developer’s career, there is going to be a time where you do something that tanks production.

• Maybe you’ll push code that ends up busting a cache that serves data to millions of people,
• Perhaps you’ll update an application and end up blowing away information that’s not backed up,
• Or maybe you’ll push a change that “works on your machine” but completely hoses the source control repository.

And there are plenty of other examples. I’m sure you can quickly name five more yourself.

I’ve committed (pun intended, sort of) my fair share of all of the above but one of the things that I see from people working in our space.

That is, those who work with database-backed web applications –  is the lack of understanding of database organization at the file system level and how it is possible to reconstruct data even when you don’t have a standard backup off of which to work.

In this post, I’m going to take a deep dive into MySQL database organization at the file system level, how you can restore information from that versus a backup file should you find yourself in that situation, and provide references (or bookmarks) should you need them.

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