Apache Spark - Is this method of creating rdd correct: val myrdd =...

Apache Spark Basics

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Is this method of creating rdd correct: val myrdd = sc.parallelize(scala.io.Source.fromFile("./myfile").getLines.toList) ?

Yes
No, This method first reads data into the memory which would overflow if the file is big

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Apache Spark Basics

1 Apache Spark ecosystem walkthrough

2 Apache Spark - What is not true about Apache spark?...

3 Apache Spark - What are advantages of using spark?...

4 Apache Spark - If you already have Apache Hadoop cluster setup, you can...

5 Apache Spark - If you need to process data continuously, which library you...

6 Apache Spark - If you need to provide a graph NoSQL storage, you...

7 Apache Spark - Spark does not provide API in which language?...

8 Apache Spark - Which of the following tasks are not possible using Apache...

9 Spark Introduction - Why Spark?

10 Apache Spark - Why is Spark faster than Hadoop?...

11 Apache Spark - Which of the following list is in increasing order in...

12 Getting Started with Spark using CloudxLab

13 Getting Started with Spark - Cluster Installation (optional)

14 Apache Spark - The command for running scala spark interactive shell is:...

15 Apache Spark - The command for talking to Spark using R with the interactive shell on CloudxLab is

16 Apache Spark - Which of the following is not a valid spark shell?...

17 Apache Spark - In Spark 1.x, which objects are provided by the spark-shell...

18 Apache Spark - In Spark 2.x, which objects are provided by the spark-shell...

19 Apache Spark - Whatever command you run on spark-shell or pyspark, they are...

20 Apache Spark - Which of the following is scala code thats reads data...

21 Apache Spark - Which of the following is python code thats reads data...

22 Apache Spark - For running something unattended, which command would you use?...

23 Spark Introduction - What is RDD

24 Apache Spark - The fullform of RDD is...

25 Apache Spark - Which of the following is not true about RDD?...

26 Apache Spark - In case we are creating RDD using sc.textFile(), what does...

27 Apache Spark - In case, we are creating RDD using sc.parallelize(Array(1,2,3,4)), what would...

28 Apache Spark - An RDD is not analogous to:...

29 Apache Spark - Each partition is maintained and processed by:...

30 Apache Spark - The work interacting with Spark Applications is done by:...

31 Apache Spark - When we launch an spark-shell or pyspark, it also launches:...

32 Apache Spark - We can modify an RDD?...

33 Apache Spark - Creating RDD

34 Apache Spark - Which of the following is not a way of creating...

35 Apache Spark - Is this method of creating rdd correct: val myrdd =...

36 Apache Spark - To get first 10 elements of an rdd myrdd, which...

37 Apache Spark - Counting Word Frequencies

38 Apache Spark - Wordcount with spark-shell (scala spark shell)

39 Apache Spark - Transformations - map & filter

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41 Apache Spark - What is not true about transformations?...

42 Apache Spark - The argument to map and filter is a function....

43 Apache Spark - What is not true about map transformations?...

44 Apache Spark - We can not implement the following with map:...

45 Apache Spark - Is this a good way to find elements starting with...

46 Apache Spark - We can not implement the following with filter:...

47 Apache Spark - If the following code returned true, someop was fiter or...

48 Apache Spark - Actions - take & saveTextFile

49 Apache Spark - What is not true about action?...

50 Apache Spark - What is not true about saveAsTextFile(arg)?...

51 Apache Spark - Lazy Evaluation & Lineage Graph

52 Apache Spark - Which of the following has lazy evaluation?...

53 Apache Spark - Which of the following gets executed immediately?...

54 Apache Spark - Which of the following gets executed lazily?...

55 Apache Spark - In the following code, which statements would get evaluated: 1....

56 Apache Spark - What is not true about lazy evaluation?...

57 Apache Spark - More Operations - Transformations & Actions

58 Apache Spark - Which one is equivalent of Hadoop's map phase?...

59 Apache Spark - Which one can be emulated with flatMap()?...

60 Apache Spark - The number of records in various transformations- M&FM

61 Apache Spark - The number of records in various transformations - F&M

62 Apache Spark - To concatenate two RDDs, we use:...

63 Apache Spark - Which one of these are not executed in distributed fashion?...

64 Apache Spark - Reduce, Commutative & Associative

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66 Apache Spark - Which function is not commutative?...

67 Apache Spark - Which function is not associative?...

68 Apache Spark - Which statement about the function passed to reduce in case...

69 Apache Spark - Problem Solving - Compute Average

70 Apache Spark - Slides

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72 Apache Spark - More RDD Operations - Slides

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74 More RDD Ops - If you want to process the whole partition, which function...

75 More RDD Ops - To order data in an RDD, which function do we...

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