A.創(chuàng)建一個(gè)Amazon CloudWatch警報(bào)以自動(dòng)恢復(fù)實(shí)例。創(chuàng)建一個(gè)腳本,該腳本將在重啟后檢查并修復(fù)數(shù)據(jù)庫。向Operations團(tuán)隊(duì)訂閱CloudWatch警報(bào)生成的Amazon SNS消息
B.在Elastic Load Balancer/Application Load Balancer后面的m4.xlarge EC2實(shí)例上運(yùn)行應(yīng)用程序??缍鄠€(gè)可用區(qū)的Auto Scaling組中運(yùn)行EC2實(shí)例,最少實(shí)例數(shù)量為兩個(gè)。將數(shù)據(jù)庫遷移到Amazon RDS Oracle Multi- AZ數(shù)據(jù)庫實(shí)例
C.在Elastic Load Balancer/Application Load Balancer后面的m4.2xlarge EC2實(shí)例上運(yùn)行應(yīng)用程序。在Auto Scaling組中運(yùn)行EC2實(shí)例以最少一個(gè)實(shí)例數(shù)訪問多個(gè)可用區(qū)。將數(shù)據(jù)庫遷移到Amazon RDS Oracle多可用區(qū)數(shù)據(jù)庫實(shí)例
D.將Web服務(wù)器實(shí)例數(shù)增加到兩個(gè)m4.xlarge實(shí)例,并使用Amazon Route 53循環(huán)負(fù)載均衡來分散負(fù)載。在Web服務(wù)器上啟用Route 53運(yùn)行狀況檢查。將數(shù)據(jù)庫遷移到Amazon RDS Oracle Multi-AZ數(shù)據(jù)庫實(shí)例