If map reduce is inferior to spark then is there any benefit of learning it?

180

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How can we create rdds in apache spark?

192

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What are accumulators in spark?

208

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Can you mention some features of spark?

206

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What do you understand by the partitions in spark?

195

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What is a hive on spark?

188

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Can you name few of the platforms for developing the blockchain applications?

1

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What kind of records can be stored in blockchain?

1

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Define the security of block in blockchain?

1

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What do you understand by secret sharing in blockchain?

1

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Name few of the properties of blockchain?

1

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How would you differentiate bitcoin blockchain and ethereum blockchain?

1

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What do you think blockchain is trustworthy?

1

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Why it is not possible to edit the data once it is done in a block?

1

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What role does encryption play in blockchain?

1

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