- 1
- 2
- 3
- …
- 11
- Next Page »
A Learning Portal from Recruitment India
A Learning Portal from Recruitment India
________ is the most popular high-level Java API in Hadoop Ecosystem
HCatalog
Cascalog
Scalding
Cascading
Answer with explanation
Answer: Option DExplanation
Explanation:
Cascading hides many of the complexities of MapReduce programming behind more intuitive pipes and data flow abstractions.
Workspace
HDFS files are designed for
Writing into a file only once.
Low latency data access.
Multiple writers and modifications at arbitrary offsets.
Only append at the end of file
Answer with explanation
Answer: Option DExplanation
Only append at the end of file
Workspace
During the execution of a streaming job, the names of the _______ parameters are transformed.
vmap
mapvim
mapreduce
mapred
Answer with explanation
Answer: Option DExplanation
To get the values in a streaming job’s mapper/reducer use the parameter names with the underscores.
Workspace