PostgreSQL12.3部署初体验

软件版本：postgresql12.3

二进制安装：postgresql-12.3.tar.gz.tar.gz

postgresql-12.3.tar.gz.md5：4aeff45d4180d8d8cdb907a0e4690da2 postgresql-12.3.tar.gz

postgresql-12.3.tar.gz.sha256：708fd5b32a97577679d3c13824c633936f886a733fc55ab5a9240b615a105f50 postgresql-12.3.tar.gz

操作系统信息：

# cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)

# free -m
total used free shared buff/cache available
Mem: 7983 295 7013 16 674 7403
Swap: 8191 0 8191

# lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 1
Socket(s): 4
NUMA node(s): 1