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What is flatmap in apache spark?
What is the standalone mode in spark cluster?
Explain apache spark streaming? How is the processing of streaming data achieved in apache spark?
In what ways sparksession different from sparkcontext?
Explain fold() operation in spark?
Define sparkcontext in apache spark?
List out the various advantages of dataframe over rdd in apache spark?
What is map in apache spark?
Write the command to start and stop the spark in an interactive shell?
Define various running modes of apache spark?
What are the ways to run spark over hadoop?
What is catalyst query optimizer in apache spark?
What are the various types of shared variable in apache spark?
Define the common faults of the developer while using apache spark?
What is the use of spark driver, where it gets executed on the cluster?
