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Questions by Robindeniel
+2
votes
1
answer
UDFs can be applied only in FOREACH statements in Pig.
asked
Jun 29, 2021
in
Hadoop
udf-statement
+2
votes
1
answer
Which of following is the return data type of Filter UDF?
asked
Jun 29, 2021
in
Hadoop
udf-filter
+2
votes
1
answer
Which of the following constructs are valid Pig Control Structures?
asked
Jun 29, 2021
in
Hadoop
pig-control-structures
+1
vote
1
answer
Data can be supplied to PigUnit tests from:
asked
Jun 29, 2021
in
Hadoop
pigunit
+1
vote
1
answer
DUMP Statement writes the output in a file
asked
Jun 29, 2021
in
Hadoop
dump-statement
+1
vote
1
answer
The schema of a relation can be examined through:
asked
Jun 29, 2021
in
Hadoop
schema-relation
+1
vote
1
answer
Parameters could be passed to Pig scripts from:
asked
Jun 29, 2021
in
Hadoop
pig-scripts
+1
vote
1
answer
Maximum size allowed for small dataset in replicated join is:
asked
Jun 29, 2021
in
Hadoop
replicated-joins
+1
vote
1
answer
Replicated joins are useful for dealing with data skew.
asked
Jun 29, 2021
in
Hadoop
replicated-joins
+2
votes
1
answer
Which of the following is the correct representation to access ‘’Skill” from the
asked
Jun 29, 2021
in
HDFS
skill
pig
hdfs
+1
vote
1
answer
Pig jobs have the same run time as the native Map Reduce jobs.
asked
Jun 29, 2021
in
HDFS
pig-jobs
+1
vote
1
answer
Pig can be used for real-time data updates.
asked
Jun 29, 2021
in
HDFS
pig
real-time
data
+2
votes
1
answer
Pig is good for:
asked
Jun 29, 2021
in
HDFS
pig
hdfs
+2
votes
1
answer
Pig is a: choose below
asked
Jun 29, 2021
in
HDFS
pig
hdfs
+1
vote
1
answer
A Map reduce job can be written in:
asked
Jun 28, 2021
in
HDFS
map-reduce-job
+1
vote
1
answer
Only one distributed cache file can be used in a Map Reduce job.
asked
Jun 28, 2021
in
HDFS
map-reduce-job
+1
vote
1
answer
Distributed cache files can’t be accessed in Reducer.
asked
Jun 28, 2021
in
HDFS
distributed-cache
+1
vote
1
answer
Which of the following writables can be used to know value from a mapper/reducer?
asked
Jun 28, 2021
in
HDFS
mapper
reducer
+1
vote
1
answer
Which of the following class is responsible for converting inputs to key-value Pairs of Map Reduce
asked
Jun 28, 2021
in
HDFS
key-value-pairs
map-reduce
+1
vote
1
answer
What should be an upper limit for counters of a Map Reduce job?
asked
Jun 28, 2021
in
HDFS
map-reduce
+1
vote
1
answer
Which of the following type of joins can be performed in Reduce side join operation?
asked
Jun 28, 2021
in
HDFS
reduce-side-join
+2
votes
1
answer
Number of mappers is decided by the
asked
Jun 28, 2021
in
HDFS
mappers
hdfs
+1
vote
1
answer
What is optimal size of a file for distributed cache?
asked
Jun 28, 2021
in
HDFS
distributed-cache
+1
vote
1
answer
Counters persist the data on hard disk.
asked
Jun 28, 2021
in
HDFS
counter
data-persist
+1
vote
1
answer
Distributed Cache can be used in
asked
Jun 28, 2021
in
HDFS
distributed-cache
+1
vote
1
answer
Reduce side join is useful for
asked
Jun 28, 2021
in
HDFS
reduce-side
+1
vote
1
answer
Which of the following is/are true about combiners?
asked
Jun 28, 2021
in
HDFS
combiners
+1
vote
1
answer
Which of the following operations can’t use Reducer as combiner also?
asked
Jun 28, 2021
in
HDFS
reducers
+1
vote
1
answer
Which of the following can be used to control the number of part files in a map reduce program output directory?
asked
Jun 28, 2021
in
HDFS
map-program
output-directory
+1
vote
1
answer
Which of the following is the correct sequence of MapReduce flow?
asked
Jun 27, 2021
in
HDFS
mapreduce-flow
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