Introduction to Teradata Sparse Maps The Teradata hashing architecture and how AMPs are used to split tables for maximum parallelism evenly have been unchanged since the beginning. What is new is the ability to create your hash maps. Hash maps, as we usually know them, are also called contiguous maps. If you are not familiar …
How to use the Teradata MAPS Architecture? In an earlier article (link to All Rows on One AMP – By Design), I showed an alternative design for small reference tables, ensuring that all rows in the table are stored on a single Teradata AMP using the Teradata MAPS architecture. The design allows for single-AMP retrieval …
The components around the AMP are covered separately: how the PE, BYNET and AMP divide the work and a short overview of the architecture.
Introduction to Teradata Physical Storage In the second part of this series on Teradata Physical Storage, let me take over from Roland to continue where we stopped in part 1. We will enter the world of data blocks and dive deeper into the sequence of actions and consequences for the lives of rows populating data …
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