postgresql怎么关闭服务器

[postgres@localhost ~]$ pg_ctl stop

waiting for server to shut down.... done

server stopped

$ pg_ctl --help

Usage:

  pg_ctl stop    [-W] [-t SECS] [-D DATADIR] [-s] [-m SHUTDOWN-MODE]

Common options:

  -D, --pgdata=DATADIR   location of the database storage area

  -s, --silent           only print errors, no informational messages

  -t, --timeout=SECS     seconds to wait when using -w option

  -V, --version          output version information, then exit

  -w                     wait until operation completes

  -W                     do not wait until operation completes

Options for stop or restart:

  -m, --mode=MODE        MODE can be "smart", "fast", or "immediate"

Shutdown modes are:

  smart       quit after all clients have disconnected

  fast        quit directly, with proper shutdown

  immediate   quit without complete shutdown; will lead to recovery on restart

Allowed signal names for kill:

  ABRT HUP INT QUIT TERM USR1 USR2