March 2020
Intermediate to advanced
626 pages
14h 45m
English
Content preview from Mastering Service Mesh
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Prometheus query
The power of Prometheus is its query language, through which we can use expressions, aggregations, and so on to collect data from data, which can then be used by different graphing tools such as Kibana to show valuable derived data.
In the Expression input box at the top of the web page, enter istio_requests_total . Then, click the Execute button.
Let's try out some different queries:
- Let's get the total count of all the requests to the productpage service:
istio_requests_total{destination_service="productpage.istio-lab.svc.cluster.local"}
The preceding Prometheus query language expression gives us the total request count, as shown in the following screenshot:
- To get the total count of all requests to v2 of the reviews ...
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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.