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Implementing Azure Cloud Design Patterns

You're reading from   Implementing Azure Cloud Design Patterns Implement efficient design patterns for data management, high availability, monitoring and other popular patterns on your Azure Cloud

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Product type Paperback
Published in Jan 2018
Publisher Packt
ISBN-13 9781788393362
Length 300 pages
Edition 1st Edition
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Authors (2):
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Oliver Michalski Oliver Michalski
Author Profile Icon Oliver Michalski
Oliver Michalski
Stefano Demiliani Stefano Demiliani
Author Profile Icon Stefano Demiliani
Stefano Demiliani
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Toc

What is a DTU?


DTU is a bit difficult, as it can be described as an object, but it is not actually a real object. DTUs are performance units to which a certain percentage of the total performance of the database server is allocated in CPU, memory, and read or write rates. The offered performance levels contain between 5 DTU (in the Basic service level) and 4,000 DTUs (in the Premium service level P15).

The larger the number of DTUs, the greater the performance of the database. Another criterion for the selection of a performance level is the maximum size of the database.

Also, the maximum size, that can reach the database depends on the selected performance level. The maximum size of the database per level is:

  • Basic: 2 GB
  • Standard (S0 – S12): 250 GB
  • Premium (P1 – P6): 500 GB
  • Premium (P11 + P15): 4 TB
  • Premium RS: 500 GB

Is that all now? No, also the number of simultaneously concurrent requests (maximum concurrent workers), the number of concurrent logins (maximum concurrent logins), and the number...

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