Emr

From Chaehyun

mapreduce capacity 조절하기

• 기본 설정 http://docs.amazonwebservices.com/ElasticMapReduce/latest/DeveloperGuide/TaskConfiguration.html
• Bootstrap Actions에 추가
  • Configure your Bootstrap Actions
    • Action Type  : Configure Hadoop
    • Optional Arguments : -s mapred.tasktracker.reduce.tasks.maximum=5

ec2 quta

• The requested number of instances exceeds your EC2 quota 요런 메시지가 발생할 경우
• http://aws.amazon.com/ko/contact-us/ 에서 신청