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Episode 417: Alex Petrov on Database Storage Engines

Software Engineering Radio - the podcast for professional software developers

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Inter Systems Iris Data Platform Ready

There s to be attention here, which i saw in your book as well, like a read versus right efficiency tension. So where if you duplicate things into your index, right? I mixe writing data or opdating data more expensive, butt reading faster. Ind in fact, there is a conjecture which is called rum conjecture. It states that we have three, like, a triangle of things that are interconnected: reads and up dates and memory amplification. And the these three things are connected in a way that if you have an improvement in two of these, you will inevitably negatively ence the third one. You have to make a compromise. There's no telling what you can create when you

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