hive下载地址：https://hive.apache.org/downloads.html我这里下载的是apache-hive-2.3.9-bin.tar.gz# 创建目录sudo mkdir -p /data/hadoop/hive# 解压sudo tar -zxvf apache-hive-2.3.9-bin.tar.gz# 配置环境变量sudo vi /etc/profileexport

基础环境准备两台服务器：192.168.199.101(主)、192.168.199.102(从)，每台服务器上分别安装nginx 、keepalived。安装nginx:yum -y install nginx启动nginx：systemctl start nginx安装keepalived:yum -y install keepalived启动keepalived：systemctl star

开启闪回必要条件：开启归档日志SQL> archive log list;Database log modeNo Archive ModeAutomatic archivalDisabledArchive destination/opt/oracle/product/19c/dbhome_1/dbs/archOldest online log sequence8Current log seq