- « Previous Page
- 1
- …
- 9
- 10
- 11
A Learning Portal from Recruitment India
A Learning Portal from Recruitment India
Data locality feature in Hadoop means
Store the same data across multiple nodes.
Relocate the data from one node to another.
Co-locate the data with the computing nodes.
Distribute the data across multiple nodes.
Answer with explanation
Answer: Option CExplanation
Co-locate the data with the computing nodes.
Workspace
What does commodity Hardware in the Hadoop world mean?
Very cheap hardware
Industry standard hardware
Discarded hardware
Low specifications Industry grade hardware
Answer with explanation
Answer: Option DExplanation
Low specifications Industry grade hardware
Workspace
In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine failure?
It is lost forever
It can be replicated form its alternative locations to other live machines.
The name node allows new client requests to keep trying to read it.
The MapReduce job process runs ignoring the block and the data stored in it.
Answer with explanation
Answer: Option BExplanation
It can be replicated form its alternative locations to other live machines.
Workspace