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Java: High-Performance Apps with Java 9

You're reading from   Java: High-Performance Apps with Java 9 Boost your application's performance with the new features of Java 9

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Product type Paperback
Published in Mar 2018
Publisher
ISBN-13 9781789130515
Length 194 pages
Edition 1st Edition
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Author (1):
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Mayur Ramgir Mayur Ramgir
Author Profile Icon Mayur Ramgir
Mayur Ramgir
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Chapter 4. Microservices

As long as we kept talking about the designing, implementation, and tuning of one process, we were able to keep illustrating it with vivid images (albeit in our imagination only) of pyramid building. Multiple thread management, based on the democratic principle of equality between thread pool members, had also a sense of centralized planning and supervision. Different priorities were assigned to threads programmatically, hardcoded (for most cases) after thoughtful consideration by the programmer in accordance with the expected load, and adjusted after monitoring. The upper limits of the available resources were fixed, although they could be increased after, again, a relatively big centralized decision.

Such systems had great success and still constitute the majority of the web applications currently deployed to production. Many of them are monoliths, sealed inside a single .ear or .war file. This works fine for relatively small applications and a corresponding...

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