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# It's not recommended to modify this file in-place, because it will be
# overwritten during package upgrades.  It is recommended to use systemd
# "dropin" feature;  i.e. create file with suffix .conf under
# /etc/systemd/system/postgresql-16.service.d directory overriding the
# unit's defaults. You can also use "systemctl edit postgresql-16"
# Look at systemd.unit(5) manual page for more info.

# Note: changing PGDATA will typically require adjusting SELinux
# configuration as well.

# Note: do not use a PGDATA pathname containing spaces, or you will
# break postgresql-16-setup.
[Unit]
Description=PostgreSQL 16 database server
Documentation=https://www.postgresql.org/docs/16/static/
After=syslog.target
After=network-online.target

[Service]
Type=notify

User=postgres
Group=postgres

# Note: avoid inserting whitespace in these Environment= lines, or you may
# break postgresql-setup.

# Location of database directory
Environment=PGDATA=/var/lib/pgsql/16/data/

# Where to send early-startup messages from the server (before the logging
# options of postgresql.conf take effect)
# This is normally controlled by the global default set by systemd
# StandardOutput=syslog

# Disable OOM kill on postgres main process
OOMScoreAdjust=-1000
Environment=PG_OOM_ADJUST_FILE=/proc/self/oom_score_adj
Environment=PG_OOM_ADJUST_VALUE=0

ExecStartPre=/usr/pgsql-16/bin/postgresql-16-check-db-dir ${PGDATA}
ExecStart=/usr/pgsql-16/bin/postgres -D ${PGDATA}
ExecReload=/bin/kill -HUP $MAINPID
KillMode=mixed
KillSignal=SIGINT

Restart=on-failure
 
# Do not set any timeout value, so that systemd will not kill postgres 
# main process during crash recovery.
TimeoutSec=0

# 0 is the same as infinity, but "infinity" needs systemd 229
TimeoutStartSec=0

TimeoutStopSec=1h

[Install]
WantedBy=multi-user.target