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The Apache Spark online test evaluates a candidate's knowledge of the Spark framework, how to use it to configure Spark clusters, and how to perform distributed processing of large data sets across clusters of computers.
It's an ideal test for the pre-employment screening of candidates applying for roles such as Spark developers, testers, and administrators.
This test requires candidates to answer questions based on Spark infrastructure, its configuration, and running transform and action operations on data sets.
To analyze live streaming gameplay data of an online game, a new Spark based application is developed. But, deploying and running the application on a cluster with 1 driver and 3 worker nodes is throwing the "Initial job has not accepted any resources" error.
Which options are potential explanations for the error?
Mapper, a GPS based map program uses Spark at its backend to find all specified locations within a given distance 'd' from user's current location. The program works on an RDD named coordinateRDD which contains GPS locations of a searched location type, for example 'restaurants'.
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