MongoDB Internal Architecture | The Backend Engineering Show
The Backend Engineering Show with Hussein Nasser
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MongoDB Storage Engine - What's the Difference?
The storage engine was also responsible for transactions. The writer had log or journaling as MongoDB calls it, right? As I'm writing things, originally when you write things, it needs to go to the data file. That's what the major storage lives. But then, the data file is really expensive because you're writing in pages,. So, imagine, you're touching one column, one property. You need to write a whole page. There is no writing one byte in databases. No, no, no, sir. We don't go to disk and say, hey, just change that tinybyte. Or just change thattiny three byte. Or justchange that one k byte
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