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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MapReduce ApplicationMaster REST APIs
MapReduce ApplicationMaster REST APIs provide information about the running ApplicationMaster service. As mentioned in the earlier chapters, MapReduce ApplicationMaster is an application-specific service that manages execution of MapReduce job over a Hadoop-YARN cluster.
The URI format of MapReduce ApplicationMaster REST services is:
http://<proxy http address:port>/proxy/{appid}/ws/v1/mapreduce
Note
MapReduce ApplicationMaster REST APIs are accessed using a proxy server, that is, Web Application Proxy server. Proxy server is an optional service in YARN. An administrator can configure the service to run on a particular host or on the ResourceManager itself (stand-alone mode). If the proxy server is not configured, ...
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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.