When Using MapReduce,best Practices Suggest That the Number of Mappers

question 31

Multiple Choice

When using MapReduce,best practices suggest that the number of mappers on a given node should be:

• A)100 or more
• B)100 or less
• C)50 or less
• D)at least 300

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Definitions:

Social Facilitation

The enhancement of performance observed when an individual performs in the presence of others, compared to when alone.

Köhler Effect

A phenomenon observed in groups where less capable members perform better when working collectively than they would on their own, inspired by the work of Gestalt psychologist Wolfgang Köhler.

Inferior Member

In a group setting, it refers to a member perceived or deemed to be of lesser skill, contribution, or value compared to others within the group.

Group Productivity

The measure of the output or performance level of a group working together towards common objectives.