What will be the impact?

Correct Answer for the Question – What will be the impact? is given below

A financial company uses Hadoop cluster to store, process, and analyze all the stock trading data. They use a map reduce job to generate daily reports for their clients by 6 a.m. every day using the data on Hadoop cluster. One of the data nodes in the cluster crashed due to hard disk failure.What will be the impact?

Restore the data from backup to the new node and rerun the report

HDFS replication factor ensures that report generation process runs to completion

Hadoop can reboot the failed node automatically and rectify the faulty disk

Downtime will be needed to replace the failed hard disk and rerun the report

Correct Answer

The Correct Answer for this Question is

Restore the data from backup to the new node and rerun the report

Explanation

The Question – What will be the impact? has been answered correctly and answers for the question is Restore the data from backup to the new node and rerun the report

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