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

This article will explain in detail what the common operations of YARN are, and the editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

YARN (Yet Another Resource Negotiator, another resource coordinator) is a new Hadoop resource manager. It is a general resource management system and scheduling platform, 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.

Yarn application View Task

(1) View all running tasks

Yarn application-list

(2) search according to the status of the task

Yarn application-list appStates status name

Status name: ALL,NEW,NEW_SAVING,SUBMITED,ACCEPTED,RUNNING,FINISHED,KILLED

(3) A certain task of KILL

Yarn appliation-kill Task ID

Yarn applicationattempt to view the tasks you are trying to run

Yarn applicationattempt-list Task IDyarn logs View Task

(1) View Application log

Yarn logs-applicationId Task IDyarn queue View queue yarn queue-status defaultyarn rmadmin Update configuration / / load queue configuration yarn rmadmin-refreshQueues

Yarn node View Node Information yarn node-list-allyarn container View Container yarn container-list Task id about "what are the common operations of YARN" this article ends here. I hope the above content can be helpful to you so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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