Which node in a Hadoop Distributed File System (HDFS) stores the actual data blocks?
Understand the Problem
The question is asking about the architecture of Hadoop Distributed File System (HDFS) and specifically which node is responsible for storing the actual data. Understanding the roles of NameNode, DataNode, and other components is crucial to answering this question.
Answer
DataNode
In a Hadoop Distributed File System (HDFS), the DataNode stores the actual data blocks.
Answer for screen readers
In a Hadoop Distributed File System (HDFS), the DataNode stores the actual data blocks.
More Information
HDFS employs a master-slave architecture where DataNodes are the slaves, and the NameNode is the master. The DataNodes are responsible for storing and retrieving data blocks. The NameNode manages the file system namespace and keeps track of where the data is stored.
Sources
- Hadoop Distributed File System (HDFS) - CelerData - celerdata.com
- What is Hadoop Distributed File System (HDFS)? - TechTarget - techtarget.com
- Introduction to Hadoop Distributed File System HDFS | CodeX - medium.com
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