[postgres@pgserver ~]$ ps -ef |grep postgres root 1070 1054 0 18:38 tty1 00:00:00 su - postgres postgres 1071 1070 0 18:38 tty1 00:00:00 -bash postgres 1252 1 0 19:09 ? 00:00:00 /usr/local/pgsql/bin/postgres postgres 1254 1252 0 19:09 ? 00:00:00 postgres: checkpointer process postgres 1255 1252 0 19:09 ? 00:00:00 postgres: writer process postgres 1256 1252 0 19:09 ? 00:00:00 postgres: wal writer process postgres 1257 1252 0 19:09 ? 00:00:00 postgres: autovacuum launcher process postgres 1258 1252 0 19:09 ? 00:00:00 postgres: stats collector process postgres 1259 1252 0 19:09 ? 00:00:00 postgres: bgworker: logical replication launcher root 1521 1489 0 21:39 pts/1 00:00:00 su - postgres postgres 1522 1521 0 21:39 pts/1 00:00:00 -bash postgres 1561 1252 0 21:49 ? 00:00:00 postgres: u_nasa db_nasa 192.168.80.1(65137) idle postgres 1562 1252 0 21:49 ? 00:00:00 postgres: u_nasa db_nasa 192.168.80.1(65138) idle 固定值postgres: user db 客户端IP（客户端应用程序使用的端口）动作 postgres 1566 1522 0 21:50 pts/1 00:00:00 ps -ef postgres 1567 1522 0 21:50 pts/1 00:00:00 grep --color=auto postgres [postgres@pgserver ~]$
参考：https://www.postgresql.org/docs/current/static/monitoring-ps.html
