How will you disable a Block Scanner on HDFS DataNode?

In HDFS, there is a configuration dfs.datanode.scan.period.hours in hdfs-site.xml to set the number of hours interval at which Block Scanner should run.

We can set dfs.datanode.scan.period.hours=0 to disable the Block Scanner. It means it will not run on HDFS DataNode.

Read the full book at www.amazon.com
Posted in Hadoop, Hadoop Interview Questions

Leave a Reply

Your email address will not be published. Required fields are marked *

*