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5 Reasons why Java professionals should learn Hadoop

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Having crossed the $50 billion mark, the Big Data segment of the IT industry has witnessed an exponential growth in the past few years. A survey of 720 worldwide clients conducted by Gartner in 2013 found that almost 64% were planning to invest heavily in Big Data Technology. zeta bytes during the current year.

Java 52
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100+ Big Data Interview Questions and Answers 2023

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Big Data is a collection of large and complex semi-structured and unstructured data sets that have the potential to deliver actionable insights using traditional data management tools. Big data operations require specialized tools and techniques since a relational database cannot manage such a large amount of data.

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50 PySpark Interview Questions and Answers For 2023

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In the event that memory is inadequate, partitions that do not fit in memory will be kept on disc, and data will be retrieved from the drive as needed. MEMORY ONLY SER: The RDD is stored as One Byte per partition serialized Java Objects. ’ A DataFrame is an immutable distributed columnar data collection.

Hadoop 52