Computer Science · Big Data & Distributed Systems
What is the role of the 'DataStreamer' during a write operation in Hadoop Distributed File System (HDFS)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Provide a continuous streaming service to indicate the failure of NameNodes
- 2Provide a continuous streaming service to indicate the failure of DataNodes
- 3Request the NameNode to allocate new blocks and get a list of suitable DataNodes to form the streaming pipeline✓
- 4Send a request to the DataNode to send a list of NameNodes for storing block replicas
Correct answer
Request the NameNode to allocate new blocks and get a list of suitable DataNodes to form the streaming pipeline
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