Enter file in which to save the key (/var/lib/pgsql/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /var/lib/pgsql/.ssh/id_rsa. Your
Enter file in which to save the key (/var/lib/pgsql/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /var/lib/pgsql/.ssh/id_rsa. Your public key has been saved in /var/lib/pgsql/.ssh/id_rsa.pub. The...
yum install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm 安装版本12 yum install -y postgresql12-server 刚开始安装完成时候是没有任何数据的,我们需要修改一些参数/usr/lib/systemd/system/postgresql-12.service,比如指定数据目录 Environment=...
In a PostgreSQL replication setup, you have 2 types of servers. A master server and a slave server. The database records of the master server get replicated in real-time to the Slave servers. You can read from the slave servers using the IP addresses of the slave servers. But you can ...
【摘要】 一、总体架构 二、环境申请 三、配置4台主机之间的互信 四、配置repmgr 4.1、主库修改pg_hba.conf参数文件 4.2、主库修改postgresql.conf参数文件 4.3、主库创建相关用户和数据库 4.4、4个节点分别修改repmgr.conf 4.5、在主库注册主库服务 4.6、克隆备库1和备库2 4.6.1、4个节点都配~/.pgpass密码...
一、总体架构二、环境申请三、配置4台主机之间的互信四、配置repmgr 4.1、主库修改pg_hba.conf参数文件 4.2、主库修改postgresql.conf参数文件 4.3、主库创建相关用户和数据库 4.4、4个节点分别修改repmgr.conf 4.5、在主库注册主库服务 4.6、克隆备库1和备库2 4.6.1、4个节点都配~/.pgpass密码文件 4.6.2、...
3.1 初始化PostgreSQL数据库 [root@hwd04 ~]# /usr/pgsql-12/bin/postgresql-12-setup initdb Initializing database ... OK 1. 2. 3.2 配置PostgreSQL参数 [root@hwd04 ~]# vi /var/lib/pgsql/12/data/postgresql.conf listen_addresses = '*' ...
Setup a streaming replica, strip away any PostgreSQL installation on the existing replica: Stop both servers. Go to “standby" database directory and remove the PostgreSQL installation: cd $PGDATA rm -rf * This will delete the entire database installation in/data/standby. ...
The Setup The environment that I will be working in consists of four CentOS 7 servers with a default install of PostgreSQL 10 installed using yum from the PostgreSQL 10 repo. With PostgreSQL installed on each server, the Postgres user will already be on each server. I will configure the firs...
To create a standby in PostgreSQL is relatively easy,and because of the hot standby feature,that alone is certainly very useful. But creating a useful cluster that givesus real HA…that’s another story. The complexities added by failure detection, STONITH rules and choosing a new master could...