Feb 23, 2020 in Big Data | Hadoop
Q:

What is rack awareness?

1 Answer

0 votes
Feb 23, 2020

Rack awareness is the way in which the namenode decides how to place blocks based on the rack definitions Hadoop will try to minimize the network traffic between datanodes within the same rack and will only contact remote racks if it has to. The namenode is able to control this due to rack awareness.

Click here to read more about Loan/Mortgage
Click here to read more about Insurance

Related questions

0 votes
Jun 8, 2020 in HDFS
...