December 2018
Intermediate to advanced
500 pages
12h 19m
English
Content preview from Hands-On Software Architecture with Golang
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Containers
Virtual machines work by packaging the application and the operating system. This makes the packages (referred to generally as images) pretty fat. It also is pretty inefficient since there are multiple operating systems running on top of the actual "host" OS.
Containers enable isolation at an OS level, using constructs such as the following:
- Quota allocation and the enforcement of resources, for example, CPU, memory, block I/O, and network
- Namespace isolation functionality that provides each container with an isolated view of the operating environment, including filesystem, process trees, user IDs, and so on
This isolation mechanism is much more efficient than the guest operating system concept in virtual machines. This enables ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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