January 2019
Intermediate to advanced
520 pages
14h 32m
English
Content preview from Hands-On Microservices with Rust
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Background Tasks and Thread Pools in Microservices
In this chapter, you'll learn how to use background tasks in microservices. In Chapter 5, Understanding Asynchronous Operations with the Futures Crate, we created a microservice that provides a feature that enables the user to upload images. Now, we'll create another version of this service, which loads an image and returns a resized version of that image.
To utilize the available resources fully, microservices have to be implemented with asynchronous code, but not every part of a microservices can be asynchronous. For example, parts that require massive CPU load or parts that have to use shared resources should be implemented in a separate thread or use a pool of threads to avoid blocking ...
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