When you design your MapReduce job, the data types of key and value from the mapper mus match with the job final output key-value types Select one: True False Data Locality means moving code to the data instead of moving data to the code Select one: True False When files are stored on HDFS, they are partitioned into 32MB by default Select one: True O False When Hadoop framework encounters a straggler machine, it kills the task given to this machin and assigns the task to new machine Select one: O True False

When you design your MapReduce job, the data types of key and value from the mapper mus match with the job final output key-value types Select one: True False Data Locality means moving code to the data instead of moving data to the code Select one: True False When files are stored on HDFS, they are partitioned into 32MB by default Select one: True O False When Hadoop framework encounters a straggler machine, it kills the task given to this machin and assigns the task to new machine Select one: O True False

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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