August 2015
Intermediate to advanced
278 pages
5h 54m
English
Content preview from Learning YARN
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An overview of web user interfaces
Similar to web interfaces available in the Hadoop 1.x version, the Hadoop 2.x version has web user interfaces for Hadoop services. Instead of the JobTracker service web UI, the web UI for ResourceManager is used to monitor applications and resources. A detailed explanation regarding the configurations related to the web UI's is given in the next chapter.
The following screenshot refers to the web-interface of Hadoop HDFS. Through the HDFS interface, you can:
- Explore the HDFS metrics
- View the list of DataNodes connected to the NameNode
- Browse the file system, and so on
The following screenshot refers to the web-interface ...
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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.