Which one is better: Hadoop or Spark?

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Vivek Joglekar

Wroking in IT industry from last 15 years and and trained more than 5000+ Students. Conact ME

Depends on use case. Hadoop for batch processing, Spark for real-time and analytics.
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Spark has been found to run 100 times faster in-memory, and 10 times faster on disk. It's also been used to sort 100 TB of data 3 times faster than Hadoop MapReduce on one-tenth of the machines. Spark has particularly been found to be faster on machine learning applications, such as Naive Bayes and...
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Spark has been found to run 100 times faster in-memory, and 10 times faster on disk. It's also been used to sort 100 TB of data 3 times faster than Hadoop MapReduce on one-tenth of the machines. Spark has particularly been found to be faster on machine learning applications, such as Naive Bayes and k-means. read less
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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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Is an mba persuing student eligible for persuing hadoop course?
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Which Hadoop course should I take?
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