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Shared Nothing Architecture. Allen Archer. What is Shared Nothing architecture?. It is a distributed architecture in which each node is independent and self sufficient, and there is no single point of contention across the system.

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What is shared nothing architecture
What is Shared Nothing architecture?

  • It is a distributed architecture in which each node is independent and self sufficient, and there is no single point of contention across the system.

  • None of the nodes share processing, memory, or storage resources.



Shared disk architecture example
Shared DiskArchitectureExample


Properties of shared nothing
Properties of Shared Nothing

  • Scalability

    • A pure Shared Nothing system can scale almost infinitely simply by adding nodes in the form of inexpensive computers, since there is no single bottleneck to slow the system down

  • Data partitioning

    • Data is typically partitioned among many nodes on different databases

    • This can lead to performance issues when/if data on many nodes needs to be operated on.

  • No single point of failure


Who uses shared nothing
Who uses Shared Nothing?

  • The web

    • Shared Nothing Architecture is popular in web development due to its lost cost of entry and scalability

  • Data warehousing

    • Shared Nothing Architecture allows for large databases with low cost, high performance, and high scalability.


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