O'Reilly logo

Hadoop 2.x Administration Cookbook by Gurmukh Singh

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

ResourceManager Web UI and JMX metrics

In the previous recipe, we presented how to configure parameters for YARN and MapReduce. As stated initially, each daemon runs a Jetty web server, which can be accessed using a web browser.

Users must take note of the fact that their RPC ports are different from HTTP ports and must not be confused with the options we used in the previous recipe. There are default web ports such as Namenode 50070, ResourceManager 8088, Datanode 50075. All these can be configured to custom ports, if needed.

Getting ready

Make sure that the user has a running cluster with YARN and HDFS configured. The user must be able to run MapReduce jobs on it.

How to do it...

  1. Point your web browser to http://master1.cyrus.com/8088, to access ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required