DATABASE FUNDAMENTALS
BASICS OF BIG DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All of these processes will be done automatically by MapReduce which is executed above
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Google File System
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RAM
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Database
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Process
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Link
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Explanation:
Detailed explanation-1: -MapReduce program executes in three stages, namely map stage, shuffle stage, and reduce stage.
Detailed explanation-2: -Explanation: The MapReduce framework takes care of scheduling tasks, monitoring them and re-executes the failed tasks.
Detailed explanation-3: -The single master acts as the coordinator responsible for task scheduling, job management, etc. MapReduce is built upon a distributed file system (DFS), which provides distributed storage. The input data is split into a set of map (M) blocks, which will be read by M mappers through DFS I/O.
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