Recent questions tagged Spark-preliminaries

+1 vote

Which is not a Storage level in Spark ?

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

+1 vote

By default Spark uses which algorithm to remove old and unused RDD to release more memory.

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

0 votes

RDDs can also be unpersisted to remove RDD from a permanent storage like memory and/or disk.

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

0 votes

Which of the following is true of caching the RDD ?

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

0 votes

Types of operations that can be performed on RDDs

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

+1 vote

To launch a Spark application in any one of the four modes(local, standalone, MESOS or YARN) use

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

+1 vote

Which tells spark how and where to access a cluster

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

0 votes

Which is responsible for task scheduling and memory management ?

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

+1 vote

Which of the following is true of running a Spark application on Hadoop YARN?

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

+1 vote

Which of the following Scala statement would be most appropriate to load the data (sfpd.txt) into an RDD? Assume that SparkContext is available as the variable “sc” and SQLContext as the variable “sqlContext.”

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

+1 vote

Spark can integrate with which of the following data storage systems?

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

+1 vote

Which of the following file formats are supported by Spark ?

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

+1 vote

Spark supports loading data from Hbase.

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

+1 vote

An instance of the Spark SQL execution engine that integrates with data stored in Hive:

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

0 votes

RDD is in spark

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

0 votes

Which action returns all the elements of the dataset as an array.

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

0 votes

We can edit the data of RDD like conversion to uppercase

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

0 votes

Identify correct transformation

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986 (30.4k points)

0 votes

Choose correct statement about RDD

asked Sep 16, 2022 in Spark Preliminaries by kamalkhandelwal29 (219 points)

0 votes

Choose correct statement

asked Sep 16, 2022 in Spark Preliminaries by kamalkhandelwal29 (219 points)

Page:

...