August 2015
Intermediate to advanced
278 pages
5h 54m
English
Content preview from Learning YARNBecome 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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NodeManager REST APIs
YARN NodeManager APIs allow the user or administrator to obtain the node resource metrics, health status of the node, list of applications and containers associated with that node, and so on. The default port for NodeManager's web application is 8042. An administrator can configure the web application address using the yarn.nodemanager.webapp.address property in the yarn-site.xml file.
NodeManager REST APIs can be grouped as:
- Node summary
- Applications
- Containers
The node summary
This API provides metadata about the node, which includes the version of the NodeManager service, host name, node status, resource utilization, and more:
- Node metadata: The summary for the node:
- URI:
http://<NM Http Address:Port>/ws/v1/node/info - Example: ...
- URI:
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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.