Shulou(Shulou.com)06/01 Report--

This article mainly explains "how to start the yarn cluster in linux". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn how to start a yarn cluster in linux.

What is the command to start the yarn cluster in linux? In linux, in the case of deploying a hadoop cluster, the command to start the yarn cluster (a batch startup script that uses hadoop) is:

/ root/apps/hadoop/sbin/start-yarn.sh

Here are some commands commonly used in yarn

1. Yarn container-list appattempt_1528080031923_0068_000001

Print container information that is performing a task

2 、 yarn jar [mainClass] args...

Submit tasks to yarn

3. Yarn node-all-list

View all node information

4. Yarn daemonlog-getlevel n0pur8088 rg.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl

View daemon log level

Apache Hadoop YARN is a new Hadoop resource manager. It is a general resource management system, which can provide unified resource management and scheduling for upper-level applications. Its introduction has brought great benefits to the cluster in terms of utilization, unified resource management and data sharing.

The basic idea of YARN is to separate the two main functions of JobTracker (resource management and job scheduling / monitoring). The main method is to create a global ResourceManager (RM) and several ApplicationMaster for applications (AM).

At this point, I believe you have a deeper understanding of "how to start a yarn cluster in linux". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.