December 2017
Intermediate to advanced
468 pages
13h 12m
English
book
Architectural Patterns
by Anupama Murali, Pethuru Raj, Harihara Subramanian J, Pethuru Raj Chelliah
Content preview from Architectural Patterns
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Leader election pattern
The problem description—a typical cloud application has many tasks working in a coordinated manner. These tasks could all be instances running the same code and requiring access to the same resources, or they might be working together in parallel to perform the individual parts of a complex calculation. The task instances might run separately for much of the time, but it might also be necessary to coordinate the actions of each instance to ensure that they don't conflict, cause contention for shared resources, or accidentally interfere with the work that other task instances are performing.
For example, cloud systems guarantee scalability through scale-up or scale-out. In the case of scale-out (horizontal scaling), ...
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