Doc: fix our example systemd script.

The example used "TimeoutSec=0", but systemd's documented way to get
the desired effect is "TimeoutSec=infinity".

Discussion: https://postgr.es/m/164770078557.670.5467111518383664377@wrigleys.postgresql.org

diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml
index f77ed242044e7bb563626c29505f283258149bd1..ffb0b6f287b9059cee8205c3c57ae91dc4e4fcc0 100644 (file)
--- a/doc/src/sgml/runtime.sgml
+++ b/doc/src/sgml/runtime.sgml
@@ -488,7 +488,7 @@ ExecStart=/usr/local/pgsql/bin/postgres -D /usr/local/pgsql/data
 ExecReload=/bin/kill -HUP $MAINPID
 KillMode=mixed
 KillSignal=SIGINT
-TimeoutSec=0
+TimeoutSec=infinity
 
 [Install]
 WantedBy=multi-user.target
@@ -500,11 +500,11 @@ WantedBy=multi-user.target
      
       Consider carefully the timeout
       setting.  systemd has a default timeout of 90
-      seconds as of this writing and will kill a process that does not notify
+      seconds as of this writing and will kill a process that does not report
       readiness within that time.  But a PostgreSQL
       server that might have to perform crash recovery at startup could take
-      much longer to become ready.  The suggested value of 0 disables the
-      timeout logic.
+      much longer to become ready.  The suggested value
+      of infinity disables the timeout logic.