Removeing "Type=forking" and add OPTS=" -n" to
run Pgpool-II with non-daemon mode, because we need to redirect logs.
Using "journalctl" command to see Pgpool-II systemd log.
After=syslog.target network.target
[Service]
-Type=forking
EnvironmentFile=-/etc/sysconfig/pgpool
# Options for pgpool
-# If you want to use '-n' in START_OPTS, change the service type to simple in
-# the Pgpool-II service configuration file
-#OPTS=" -d"
+# -n: don't run in daemon mode. does not detatch control tty
+# -d: debug mode. lots of debug information will be printed
+
+#OPTS=" -d -n"
+OPTS=" -n"
#STOP_OPTS=" -m fast"