Postgres Architecture | The Backend Engineering Show
The Backend Engineering Show with Hussein Nasser
00:00
What's the Trick Operating System Split?
When you put in memory, this memory is actually called shared memory or shared buffers. This is where the wall records live. There's where the pages live. And pretty much everything that is shared is right here. But but these pages, like as you change them, they will be copied as we change, right? So just in case, right?So they are shared, once they start changing, they're going to be copied on right,right? So they can stay distinct. That's the trick operating system split here. Everything is basically a fork here. All right.
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