March 2020
Intermediate to advanced
626 pages
14h 45m
English
Content preview from Mastering Service Mesh
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Distributed tracing
At the heart of distributed tracing are the sidecar proxies, which intercept the network traffic going in and out of each microservice. These sidecar proxies can trace any network request, such as HTTP/1.1, HTTP/2.0, and gRPC.
If the incoming request doesn't have tracing headers, then the sidecar proxy adds a root span before passing the request to the application container in the same pod. Let's look at an example using curl -s (http://httpbin.istio.io/headers):
Refer to https://zipkin.io/zipkin/2.11.3/zipkin/zipkin2/Span.html for a definition of span.
$ curl -s http://httpbin.istio.io/headers{ "headers": { "Accept": "*/*", "Content-Length": "0", "Host": "httpbin.istio.io", "User-Agent": "curl/7.29.0", "X-B3-Parentspanid": ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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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.
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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.