postgresql 13 的 postgresql-13.service 文件

川长思鸟来 2022-12-10 08:50 157阅读 0赞

os: centos 7.4  
db: postgresql 13.0

# cat /usr/lib/systemd/system/postgresql-13.service
    
    # 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-13.service.d directory overriding the
    # unit's defaults. You can also use "systemctl edit postgresql-13"
    # 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-13-setup.
    [Unit]
    Description=PostgreSQL 13 database server
    Documentation=https://www.postgresql.org/docs/13/static/
    After=syslog.target
    After=network.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/13/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 the postmaster
    OOMScoreAdjust=-1000
    Environment=PG_OOM_ADJUST_FILE=/proc/self/oom_score_adj
    Environment=PG_OOM_ADJUST_VALUE=0
    
    ExecStartPre=/usr/pgsql-13/bin/postgresql-13-check-db-dir ${PGDATA}
    ExecStart=/usr/pgsql-13/bin/postmaster -D ${PGDATA}
    ExecReload=/bin/kill -HUP $MAINPID
    KillMode=mixed
    KillSignal=SIGINT
     
    
    # Do not set any timeout value, so that systemd will not kill postmaster
    # during crash recovery.
    TimeoutSec=0
    
    [Install]
    WantedBy=multi-user.target