Top 250 Spark Question and Answer 2023

Updated:01/jan/2023 by Computer Hope

1. What Is The Difference Between Persist() And Cache()?
2. What do you understand by SchemaRDD?
3. What Is The Advantage Of A Parquet File?
4. Explain Spark.
5. Can you explain the main features of Spark Apache?
6. What is Apache Spark?
7. Explain the concept of Sparse Vector.
8. What is the method for creating a data frame?
9. Explain what is SchemaRDD.
10. Explain what are accumulators.
11. Explain the core of Spark.
12. Explain how data is interpreted in Spark.
13. How many forms of transformations are there?
14. What is Apache Spark?
15. What is Spark SQL?
16. Explain Spark SQL caching and uncaching?
17. What are the components of Apache Spark Ecosystem?
18. What is Spark Core?
19. Which all languages Apache Spark supports?
20. How is Apache Spark better than Hadoop?
21. What are the different methods to run Spark over Apache Hadoop?
22. What is SparkContext in Apache Spark?
23. What is SparkSession in Apache Spark?
24. SparkSession vs SparkContext in Apache Spark.
25. What are the abstractions of Apache Spark?
26. How can we create RDD in Apache Spark?
27. Why is Spark RDD immutable?
28. Explain the term paired RDD in Apache Spark
29. How is RDD in Spark different from Distributed Storage Management?
30. Explain transformation and action in RDD in Apache Spark.
31. What are the types of Apache Spark transformation?
32. Explain the RDD properties.
33. What is lineage graph in Apache Spark?
34. Explain the terms Spark Partitions and Partitioners.
35. By Default, how many partitions are created in RDD in Apache Spark?
36. What is Spark DataFrames?
37. What are benefits of DataFrame in Spark?
38. What is Spark Dataset?
39. What are the advantages of datasets in spark?
40. What is Directed Acyclic Graph in Apache Spark?
41. What is the need for Spark DAG?
42. What is the difference between DAG and Lineage?
43. Explain the concept of “persistence”?
44. What is Map-Reduce learning function?
45. When processing information from HDFS, is the code performed near the data?
46. Does Spark also contain the storage layer?
47. What is the difference between Caching and Persistence in Apache Spark?
48. What are the limitations of Apache Spark?
49. List the advantage of Parquet file in Apache Spark.
50. What is lazy evaluation in Spark?
51. What are the benefits of Spark lazy evaluation?
52. What are the ways to launch Apache Spark over YARN?
53. Explain various cluster manager in Apache Spark?
54. How much faster is Apache spark than Hadoop?
55. Different Running Modes of Apache Spark
56. What are the different ways of representing data in Spark?
57. What is write ahead log(journaling) in Spark?
58. Explain catalyst query optimizer in Apache Spark.
59. What are shared variables in Apache Spark?
60. How does Apache Spark handles accumulated Metadata?
61. What is Apache Spark Machine learning library?
62. List commonly used Machine Learning Algorithm.
63. What is the difference between DS. and DF and RDD?
64. What is Speculative Execution in Apache Spark?
65. How can data transfer be minimized when working with Apache Spark?
66. What are the cases where Apache Spark surpasses Hadoop?
67. What is action, how it process data in apache spark
68. How is fault tolerance achieved in Apache Spark?
69. What is the role of Spark Driver in spark applications?
70. What is worker node in Apache Spark cluster?
71. Why is Transformation lazy in Spark?
72. Can I run Apache Spark without Hadoop?
73. Explain Accumulator in Spark.
74. What is the role of Driver program in Spark Application?
75. How to identify that given operation is Transformation/Action in your program?
76. Name the two types of shared variable available in Apache Spark.
77. What are the common faults of the developer while using Apache Spark?
78. By Default, how many partitions are created in RDD in Apache Spark?
79. Why we need compression and what are the different compression format supported?
80. Explain the filter transformation.
81. How to start and stop spark in interactive shell?
82. Explain sortByKey() operation.
83. Explain distnct(),union(),intersection() and substract() transformation in Spark
84. Explain foreach() operation in apache spark
85. groupByKey vs reduceByKey in Apache Spark
86. Explain mapPartitions() and mapPartitionsWithIndex()
87. What is Map in Apache Spark?
88. What is FlatMap in Apache Spark?
89. .Explain fold() operation in Spark.
90. Explain API createOrReplaceTempView()
91. Explain values() operation in Apache Spark.
92. Explain keys() operation in Apache spark.
93. Explain textFile Vs wholeTextFile in Spark
94. Explain cogroup() operation in Spark
95. Explain pipe() operation in Apache Spark
96. Explain Spark coalesce() operation
97. .Explain the repartition() operation in Spark
98. Explain fullOuterJoin() operation in Apache Spark
99. Expain Spark leftOuterJoin() and rightOuterJoin() operation
100. Explain Spark join() operation
101. Explain the top() and takeOrdered() operation
102. Explain first() operation in Spark
103. Explain sum(), max(), min() operation in Apache Spark
104. Explain countByValue() operation in Apache Spark RDD
105. Explain the lookup() operation in Spark
106. Explain Spark countByKey() operation
107. Explain Spark saveAsTextFile() operation
108. Explain reduceByKey() Spark operation
109. Explain the operation reduce() in Spark
110. .Explain the action count() in Spark RDD
111. Explain Spark map() transformation
112. Explain the flatMap() transformation in Apache Spark
113. What are the limitations of Apache Spark?
114. Hadoop Uses Replication To Achieve Fault Tolerance. How Is This Achieved In Apache Spark?
115. Explain Spark streaming
116. What is DStream in Apache Spark Streaming?
117. What’s Paired RDD?
118. What is implied by the treatment of memory in Spark?
119. Explain the Directed Acyclic Graph.
120. Explain the lineage chart.
121. What Are The Various Levels Of Persistence In Apache Spark
122. Explain the idle appraisal in Spark.
123. Explain the advantage of a lazy evaluation.
124. What are Spark’s key features?
125. Explain PageRank?
126. What is Broadcast Variables?
127. What is Piping or pipe() technique ?
128. What is Broadcast Variables?
129. Difference among map()and flatMap()?
130. On which port the Spark UI is available?
131. What is the difference between CreateOrReplaceTempView and createGlobalTempView?
132. What are the types of Transformation on DStream?
133. What is Shuffling in Spark?
134. Name different types of data sources available in SparkSQL.
135. What is the role of a Spark Driver?
136. What do you understand by typed and untyped datasets?
137. How does Logical Planning and Physical Planning process takes place in Spark?
138. What do you understand by CB Optimization in Spark SQL?
139. What are Partitions? How will you control Partitions in Spark?
140. What are ML Pipelines and its key components?
141. What is Seriation? How will you handle the serialization issue in Spark?