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https://github.com/postgres/postgres.git
synced 2025-07-28 23:42:10 +03:00
Adjust postmaster to recognize that a lockfile containing its parent's PID
must be stale. Tweak example startup scripts to not use pg_ctl but launch the postmaster directly, thereby ensuring that only the postmaster's direct parent shell will be a postgres-owned process. In combination these should fix the longstanding problem of the postmaster sometimes refusing to start during reboot because it thinks the old lockfile is not stale.
This commit is contained in:
Tom Lane
@ -48,7 +48,7 @@ prefix="/usr/local/pgsql"
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# Data directory
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PGDATA="/usr/local/pgsql/data"
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# Who to run pg_ctl as, should be "postgres".
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# Who to run the postmaster as, usually "postgres". (NOT "root")
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PGUSER="postgres"
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# the logfile path and name (NEEDS to be writeable by PGUSER)
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@ -68,8 +68,13 @@ ROTATESEC="604800"
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# The path that is to be used for the script
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PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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# What to use to start up the postmaster
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DAEMON="$prefix/bin/pg_ctl"
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# What to use to start up the postmaster (we do NOT use pg_ctl for this,
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# as it adds no value and can cause the postmaster to misrecognize a stale
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# lock file)
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DAEMON="$prefix/bin/postmaster"
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# What to use to shut down the postmaster
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PGCTL="$prefix/bin/pg_ctl"
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# The apache log rotation utility
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LOGUTIL="/usr/sbin/rotatelogs"
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@ -80,27 +85,28 @@ StartService () {
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if [ "${POSTGRESQLSERVER:=-NO-}" = "-YES-" ]; then
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ConsoleMessage "Starting PostgreSQL database server"
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if [ "${ROTATELOGS}" = "1" ]; then
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sudo -u $PGUSER sh -c "${DAEMON} start -D ${PGDATA} -s | ${LOGUTIL} ${PGLOG} ${ROTATESEC} &"
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sudo -u $PGUSER sh -c "${DAEMON} -D '${PGDATA}' | ${LOGUTIL} '${PGLOG}' ${ROTATESEC} &"
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else
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sudo -u $PGUSER $DAEMON start -D "$PGDATA" -s -l $PGLOG
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sudo -u $PGUSER sh -c "${DAEMON} -D '${PGDATA}' &" >>$PGLOG 2>&1
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fi
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fi
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}
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StopService () {
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ConsoleMessage "Stopping PostgreSQL database server"
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sudo -u $PGUSER $DAEMON stop -D "$PGDATA" -s -m fast
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sudo -u $PGUSER $PGCTL stop -D "$PGDATA" -s -m fast
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}
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RestartService () {
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if [ "${POSTGRESQLSERVER:=-NO-}" = "-YES-" ]; then
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ConsoleMessage "Restarting PostgreSQL database server"
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# should match StopService:
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sudo -u $PGUSER $PGCTL stop -D "$PGDATA" -s -m fast
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# should match StartService:
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if [ "${ROTATELOGS}" = "1" ]; then
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# StopService
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# StartService
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sudo -u $PGUSER sh -c "${DAEMON} restart -D ${PGDATA} -s -m fast | ${LOGUTIL} ${PGLOG} ${ROTATESEC} &"
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sudo -u $PGUSER sh -c "${DAEMON} -D '${PGDATA}' | ${LOGUTIL} '${PGLOG}' ${ROTATESEC} &"
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else
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sudo -u $PGUSER $DAEMON restart -D "$PGDATA" -s -m fast
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sudo -u $PGUSER sh -c "${DAEMON} -D '${PGDATA}' &" >>$PGLOG 2>&1
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fi
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else
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StopService
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@ -6,7 +6,7 @@
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# Created through merger of the Linux start script by Ryan Kirkpatrick
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# and the script in the FreeBSD ports collection.
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# $PostgreSQL: pgsql/contrib/start-scripts/freebsd,v 1.3 2003/11/29 19:51:35 pgsql Exp $
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# $PostgreSQL: pgsql/contrib/start-scripts/freebsd,v 1.4 2004/10/01 18:30:21 tgl Exp $
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## EDIT FROM HERE
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@ -16,7 +16,7 @@ prefix=/usr/local/pgsql
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# Data directory
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PGDATA="/usr/local/pgsql/data"
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# Who to run pg_ctl as, should be "postgres".
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# Who to run the postmaster as, usually "postgres". (NOT "root")
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PGUSER=postgres
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# Where to keep a log file
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@ -27,24 +27,31 @@ PGLOG="$PGDATA/serverlog"
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# The path that is to be used for the script
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PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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# What to use to start up the postmaster
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DAEMON="$prefix/bin/pg_ctl"
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# What to use to start up the postmaster (we do NOT use pg_ctl for this,
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# as it adds no value and can cause the postmaster to misrecognize a stale
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# lock file)
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DAEMON="$prefix/bin/postmaster"
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# What to use to shut down the postmaster
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PGCTL="$prefix/bin/pg_ctl"
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# Only start if we can find the postmaster.
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test -x "$DAEMON" || exit 0
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case $1 in
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start)
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su -l $PGUSER -c "$DAEMON start -D '$PGDATA' -s -l $PGLOG"
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su -l $PGUSER -c "$DAEMON -D '$PGDATA' &" >>$PGLOG 2>&1
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echo -n ' postgresql'
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;;
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stop)
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su -l $PGUSER -c "$DAEMON stop -D '$PGDATA' -s -m fast"
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su -l $PGUSER -c "$PGCTL stop -D '$PGDATA' -s -m fast"
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;;
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restart)
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su -l $PGUSER -c "$DAEMON restart -D '$PGDATA' -s -m fast"
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su -l $PGUSER -c "$PGCTL stop -D '$PGDATA' -s -m fast -w"
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su -l $PGUSER -c "$DAEMON -D '$PGDATA' &" >>$PGLOG 2>&1
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;;
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status)
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su -l $PGUSER -c "$DAEMON status -D '$PGDATA'"
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su -l $PGUSER -c "$PGCTL status -D '$PGDATA'"
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;;
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*)
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# Print help
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@ -24,7 +24,7 @@
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# Original author: Ryan Kirkpatrick <pgsql@rkirkpat.net>
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# $PostgreSQL: pgsql/contrib/start-scripts/linux,v 1.6 2003/11/29 19:51:36 pgsql Exp $
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# $PostgreSQL: pgsql/contrib/start-scripts/linux,v 1.7 2004/10/01 18:30:21 tgl Exp $
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## EDIT FROM HERE
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@ -34,7 +34,7 @@ prefix=/usr/local/pgsql
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# Data directory
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PGDATA="/usr/local/pgsql/data"
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# Who to run pg_ctl as, should be "postgres".
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# Who to run the postmaster as, usually "postgres". (NOT "root")
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PGUSER=postgres
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# Where to keep a log file
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@ -54,38 +54,44 @@ fi
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# The path that is to be used for the script
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PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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# What to use to start up the postmaster
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DAEMON="$prefix/bin/pg_ctl"
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# What to use to start up the postmaster (we do NOT use pg_ctl for this,
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# as it adds no value and can cause the postmaster to misrecognize a stale
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# lock file)
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DAEMON="$prefix/bin/postmaster"
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# What to use to shut down the postmaster
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PGCTL="$prefix/bin/pg_ctl"
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set -e
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# Only start if we can find pg_ctl.
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test -f $DAEMON || exit 0
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# Only start if we can find the postmaster.
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test -x $DAEMON || exit 0
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# Parse command line parameters.
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case $1 in
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start)
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$ECHO_N "Starting PostgreSQL: "$ECHO_C
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su - $PGUSER -c "$DAEMON start -D '$PGDATA' -s -l $PGLOG"
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su - $PGUSER -c "$DAEMON -D '$PGDATA' &" >>$PGLOG 2>&1
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echo "ok"
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;;
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stop)
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echo -n "Stopping PostgreSQL: "
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su - $PGUSER -c "$DAEMON stop -D '$PGDATA' -s -m fast"
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su - $PGUSER -c "$PGCTL stop -D '$PGDATA' -s -m fast"
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echo "ok"
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;;
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restart)
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echo -n "Restarting PostgreSQL: "
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su - $PGUSER -c "$DAEMON restart -D '$PGDATA' -s -m fast -l $PGLOG"
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su - $PGUSER -c "$PGCTL stop -D '$PGDATA' -s -m fast -w"
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su - $PGUSER -c "$DAEMON -D '$PGDATA' &" >>$PGLOG 2>&1
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echo "ok"
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;;
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reload)
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echo -n "Reload PostgreSQL: "
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su - $PGUSER -c "$DAEMON reload -D '$PGDATA' -s"
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su - $PGUSER -c "$PGCTL reload -D '$PGDATA' -s"
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echo "ok"
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;;
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status)
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su - $PGUSER -c "$DAEMON status -D '$PGDATA'"
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su - $PGUSER -c "$PGCTL status -D '$PGDATA'"
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;;
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*)
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# Print help
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