You can reserve the amount of disk usage in a data node by configuring the dfs.datanode.du.reserved in which of the following file

BASICS OF BIG DATA

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	Hdfs-site.xml
B	Hdfs-defaukt.xml
C	Core-site.xml
D	Mapred-site.xml

Explanation:

Detailed explanation-1: -Here are the various Hadoop daemons and their functions within the system: NameNode – master node; responsible for storing the metadata of all the files and directories.

Detailed explanation-2: -Q 15-Which of the below property gets configured on hdfs-site. xml ? B-Directory names to store hdfs files.

Detailed explanation-3: -reserved parameter is set to 10GB (the value is specified in bytes). HDFS will keep storing data in the data directories you assigned to it with the dfs. data. dir parameter, until the Linux file system reaches a free space of 10GB on a node.

Detailed explanation-4: -The property in Hadoop that specifies the default file system is called fs. defaultFS . You set it up in core-site. xml .

There is 1 question to complete.

FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

BASICS OF BIG DATA