Jan 11, 2020 in Big Data | Hadoop
Q: How will you disable a Block Scanner on HDFS DataNode?

1 Answer

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Jan 11, 2020

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.

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