March 2019
Beginner to intermediate
778 pages
34h 20m
English
Content preview from Building Google Cloud Platform Solutions
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Health checks
In addition to member instances, target pools may be configured to use health checks, which periodically probe instances to determine the health of each instance within the target pool. With a health check configured, load balancers will only direct traffic to instances that are considered healthy. For NLBs, health checks take the form of HTTP requests to a specified URL and port. An instance is considered healthy if it responds with an HTTP status code 200. This has a few advantages:
- Dramatically reduces the number of failed requests due to server errors
- Instances do not receive traffic before they are fully operational
- Instances can be made to report as unhealthy before being removed from the target pool, in which case the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.