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It seems Hadoop, Spark, and different versions of Clouds offer facilities to store and analyze big data. There are some articles comparing Hadoop and Spark (for example, this article). There are also articles which discuss services on AWS for working with Hadoop/spark, such as this article.

My question is, if I am using cloud computing which provides storage and analytics services, will I still need hadoop/spark? Any references / readings which help in identifying different use cases and applications is highly appreciated!

Tara
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Depends on what your 'storage and analytics services' are exactly.

For most cloud SaaS services they handle the technology under the hood. For example, Dropbox and Gmail probably have Hadoop and Spark underneath, which users never have to touch. However, read the price structure of the products carefully to see whether the service provider absorbs the cost.

Practically speaking, once you have an objective, just starting using the picked services until you hit a wall. This is the moment you know what you lack.

lpounng
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