Tag: Big Data Analytics

Which of these is true about Spark’s execution modes?

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Which of these is true about Spark’s execution modes?
In cluster mode, the spark driver runs inside the Application Master
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In client mode, the client application can be shut down after giving the command
In cluster mode, the spark driver runs inside the client process
In client mode, the Application Master does the entire processing

Which of these is true about Spark RDDs?

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Which of these is true about Spark RDDs?
RDDs will only be executed once a transformation is applied to it
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Data cannot be processed in parallel in RDDs
The dataset can be partitioned across multiple nodes for processing and storage
In case of data failure, data cannot be recreated from a known state and the process has
to start all over again

A company is using multiple services to clean the data in its Hive tables. Which service
will it use in the Hadoop ecosystem to export the Hive metadata to these services?

administrator
A company is using multiple services to clean the data in its Hive tables. Which service
will it use in the Hadoop ecosystem to export the Hive metadata to these services?
Atlas
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Kafka
Flume
Tez
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