POSTMASTER(1) PostgreSQL Server Applications POSTMASTER(1) NAME postmaster - PostgreSQL SYNOPSIS postmaster [ -A 0 | 1 ] [ -B nbuffers ] [ -c name=value ] [ -d debug- level ] [ -D datadir ] [ -F ] [ -h hostname ] [ -i ] [ -k directory ] [ -l ] [ -N max-connections ] [ -o extra-options ] [ -p port ] [ -S ] [ --name=value ] [ -n | -s ] DESCRIPTION postmaster PostgreSQL postmaster postmaster "postgres" postmaster postmaster postmaster postmaster postmaster "" -D PGDATA postmaster initdb(1) OPTIONS postmaster Section 16.4 ``Run- time Configuration'' -A 0|1 -B nbuffers 64 8k -c name=value Section 16.4 ``Run-time Configuration'' -c -d debug-level 1 5 -D datadir -F fsync postgresql.conf fsync=false --fsync=true -h hostname postmaster TCP localhost -i TCP/IP Unix postgresql.conf tcpip_socket=true --tcpip-socket=false -k directory postmaster Unix /tmp -l SSL -i SSL -N max-connections postmaster 32 src/include/config.h -B -N Section 16.5 ``Managing Kernel Resources'' -o extra-options extra-options postgres postmaster postgres(1) -p port postmaster TCP/IP Unix PGPORT PGPORT PostgreSQL 5432 psql PGPORT -S postmaster tty /dev/null postmaster --silent-mode=false --name=value -c postmaster -n postmaster -s postmaster SIGSTOP core dumps ENVIRONMENT PGCLIENTENCODING PGDATA PGDATESTYLE datestyle PGPORT TZ Section 18.5 ``Managing Databases'' DIAGNOSTICS semget shmget Section 16.5 ``Managing Kernel Resouces'' Tip: : shared_buffers PostgreSQL max_connectionsPostgreSQL postmaster postmaster $ ps ax | grep postmaster $ ps -ef | grep postmaster postmaster PostgreSQL postmaster Unix 1024 "" Unix NOTES SIGKILL postmaster postmaster postmaster SIGTERMSIGINT SIGQUIT pg_ctl(1) postmaster -- FreeBSD OpenBSD -c PostgreSQL EXAMPLES postmaster $ nohup postmaster >logfile 2>&1 postmaster $ postmaster -p 1234 1234 postmaster psql postmaster psql run it as $ psql -p 1234 PGPORT $ export PGPORT=1234 $ psql $ postmaster -c sort_mem=1234 $ postmaster --sort-mem=1234 postgresql.conf sort_mem Tip: : postgresql.conf SEE ALSO initdb(1), pg_ctl(1) Postgresql man man https://github.com/man-pages-zh/manpages- zh Application 2003-11-02 POSTMASTER(1)