Reply
Explorer
Posts: 9
Registered: ‎05-02-2017

Shutdowing down or Stopping the service for Datanode - maintenance

Hi 

 

I would like to know what is the best practice if there is a maintenace shutdown for hardware.

we have 5 datanodes with each 4TB of data. remaining 5 datanodes will be up and has the cpacity to accomade .

 

I would like to know should i have to stop the datanode using 

sudo service hadoop-hdfs-datanode stop 

 

or should i have to decommission and commision in the cluster when i am peforming hardware shutdown/restart 

between namenode hardware is not touch right know. 

Highlighted
Expert Contributor
Posts: 181
Registered: ‎01-25-2017

Re: Shutdowing down or Stopping the service for Datanode - maintenance

Hi @MattPatt How much time the mainatnce will be and how many node you have to do the maintance on?

 

Are you using Cloudera manager?

Announcements