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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I want to pursue career in Data Analyst i.e. Hadoop, currently working in testing professional from last 4 year. Please let me know what�s the opportunity and is my work experience is considerable in Hadoop. Also let me know what need to be prepare for that. Please guide me. Thanks in advance.
Sachin, YEs your work experience will consider as total IT experience. But you need to prepare BigData Hadoop analytic from scratch(start-to end). That means you need to know Hadoop as BigData Hadoop developer...
Sachin
What does the term "data locality" mean in Hadoop?
Data locality in Hadoop refers to the practice of processing data on the same node where it is stored, reducing network traffic and improving performance.
Sabna
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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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Hi, currently I am working as php developer having 5 year of experience, I want to change the technology, so can any one suggest me which technology is better for me and in future also (hadoop or node with angular js).
Big Data is cake for data processing whereas Angular is for UI framework. I would recommend you to consider learning Big Data technologies.
Srikanth
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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