Database System Concepts
7th Edition
ISBN: 9781260084504
Author: Abraham Silberschatz, S. Sudarshan, Abraham, Henry Korth, Silberschatz Abraham, Silberschatz Professor
Publisher: McGraw-Hill Education
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Chapter 20, Problem 20PE
Program Plan Intro
Shared-Nothing architecture:
- A Shared-Nothing Architecture (SN) is a distributed-computing architecture where each update request is satisfied by a single node such as a processor, memory or storage unit.
- The goal is to reduce contention among nodes.
- Nodes do not share memory. An alternative architecture share everything. Here all requests are satisfied through random combinations of nodes.
- Multiple nodes can try to access and update the same data simultaneously, therefore it may cause contention.
- SN prevents single points of failure and allows the system to continue working despite failures.
- A shared-nothing system divides its data among many nodes.
Remote Direct Memory Access (RDMA):
It is the technology for memory access on a remote machine without getting the
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Chapter 20 Solutions
Database System Concepts
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