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Getting Started with Amazon Redshift by Stefan Bauer

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Data storage

As you begin thinking about the kinds of I/O rates you will need to support your installation, you will be surprised (or at least I was) with the kind of throughput you will be able to achieve on a three-drive, 2 TB node. So, before you apply too many of your predefined beliefs, I suggest estimating your total storage needs and picking the node configuration that will best fit your overall storage needs on a reasonably small number of nodes. As I mentioned previously, the extra-large configuration will only start as multi-node so the base configuration for an extra-large configuration is really 32 TB of space. Not a small warehouse by most peoples' standards. If your overall storage needs will ultimately be in the 8 to 10 terabyte ...

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