What is big data and Hadoop?

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Big Data: Big Data refers to extremely large and complex datasets that traditional data processing tools are inadequate to handle. It is characterized by the three Vs: Volume, Velocity, and Variety. Hadoop: Hadoop is an open-source framework designed to store and process Big Data. It uses a distributed...
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Big Data: Big Data refers to extremely large and complex datasets that traditional data processing tools are inadequate to handle. It is characterized by the three Vs: Volume, Velocity, and Variety. Hadoop: Hadoop is an open-source framework designed to store and process Big Data. It uses a distributed file system (HDFS) and MapReduce programming model to manage and analyze large datasets across clusters of computers. read less
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Can anyone suggest about Hadoop?
Hadoop is good but it depends on your experience. If you don't know basic java, linux, shell scripting. Hadoop is not beneficial for you.
Ajay
Is an mba persuing student eligible for persuing hadoop course?
Yes there are some institutes are offering courses on big data . Those are like MBA in analytics. Google it you will find more info
Osheen
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What is the purpose of RecordReader in Hadoop?
RecordReader converts input splits into key-value pairs for the Mapper.
Malvika
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What is the speculative execution in hadoop?
Speculative execution in Hadoop is a process of running duplicate tasks on different nodes to finish the job faster by using the result from the task that completes first.
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