How to decide about number of mappersrequired for solving any problem with mapreduce? Which components/tools are responsible for data management in Hadoop ecosystem and how are they managed data?
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How to decide about number of mappersrequired for solving any problem with mapreduce? Which components/tools are responsible for data management in Hadoop ecosystem and how are they managed data?
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- There are two programming models in Big Data Ecosystem i.e. Map Reduce and Spark, what are the similarities and differences between them? Why Spark outperform Map Reduce in the execution time?List and explain the main technological components of a typical Hadoop system, as well as their functions.Write a justification for when it would be a good use of the Hadoop ecosystem to analyze structured data.
- What are the similarities and differences between the two programming models in the Big Data Ecosystem, Map Reduce and Spark? Why does Spark outperform Map Reduce when it comes to execution time?When designing data environments with distributed data, it's important to make choices on how to strike a happy medium?How do data lakes leverage schema-on-read and schema-on-write approaches, and what are their trade-offs?
- Some companies move their relational database (for instance a reporting database residing in MS SQL server) to Hadoop ecosystem. What is the upside and what is the downside?Critically analyze major clustering approaches for data miningList and explain the key technological components of a typical Hadoop system, as well as their purposes and how they interact.