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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Running and monitoring MRv1 apps on YARN
The syntax to submit applications is similar to the MRv1 framework. A minor difference in MRv2 is the use of the yarn command in the Hadoop-YARN bin folder rather than hadoop. Although submission of applications is supported using the hadoop command in MRv2, the yarn command is still preferred.
YARN uses the ResourceManager web interface for monitoring applications running on a YARN cluster. The ResourceManager UI shows the basic cluster metrics, list of applications, and nodes associated with the cluster. In this section, we'll discuss the monitoring of MRv1 applications over YARN.
You can execute a sample MapReduce job like word count and browse to the web UI for ResourceManager at http://<ResourceManagerHost>:8088/ ...
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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.