MEDICINE 207/2028 EDITION
NURSE WISEMAN LATEST EDITION NURSING
, AWS Data Transformation, Integrity, and
Feature Engineering Exam Review| Grade
A + | Questions and Verified Answers|
100% Correct|
Elastic MapReduce (EMR)
Managed Hadoop framework on EC2 instances
Hadoop
an open source program supported by the Apache Foundation that
manages thousands of computers and that implements MapReduce
EMR Cluster
Master Node - manages cluster
Core Node- hosts HDFS data and runs tasks
Task Node - Runs tasks, does not host data
Hadoop Distributed File System (HDFS)
A highly distributed, fault-tolerant file storage system designed to
manage large amounts of data at high speeds.
EMR Serverless
Manages underlying capacity for EMR Release and Runtime
Pre-Initialized Capacity
Spark adds 10% overhead to memory requested for drivers and
executors
EMR File System (EMRFS)