Support Questions
Find answers, ask questions, and share your expertise
Announcements
Alert: Welcome to the Unified Cloudera Community. Former HCC members be sure to read and learn how to activate your account here.

Replacing a hardware part - is decommission necessarily?

Highlighted

Replacing a hardware part - is decommission necessarily?

Explorer

Hello,

 

I need to change a memory on one of the datanodes and I am not sure if I need to decommission  the node or it's enough just to stop the roles whcih are running on that host. Can anyone confim that decomission is or is not necessary in this case? 

 

Thanks,

D.