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The default upstart config installed with MongoDB doesn't provide the `--pidfile` or `--make-pidfile` options to `start-stop-daemon`, which means it determines whether or not MongoDB is running by inspecting the process table to see if there are any instances of "mongod" running. This is a pretty crude mechanism, and we can make it substantially more reliable (not susceptible to mongod instances running inside LXC containers or similar) by simply getting start-stop-daemon to write a pidfile.
59 lines
1.6 KiB
Plaintext
59 lines
1.6 KiB
Plaintext
# Ubuntu upstart file at /etc/init/mongod.conf
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# Recommended ulimit values for mongod or mongos
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# See http://docs.mongodb.org/manual/reference/ulimit/#recommended-settings
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#
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limit fsize unlimited unlimited
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limit cpu unlimited unlimited
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limit as unlimited unlimited
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limit nofile 64000 64000
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limit rss unlimited unlimited
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limit nproc 32000 32000
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kill timeout 300 # wait 300s between SIGTERM and SIGKILL.
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pre-start script
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DAEMONUSER=${DAEMONUSER:-mongodb}
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if [ ! -d /var/lib/mongod ]; then
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mkdir -p /var/lib/mongodb && chown mongodb:mongodb /var/lib/mongodb
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fi
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if [ ! -d /var/log/mongod ]; then
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mkdir -p /var/log/mongodb && chown mongodb:mongodb /var/log/mongodb
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fi
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touch /var/run/mongodb.pid
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chown $DAEMONUSER /var/run/mongodb.pid
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end script
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start on runlevel [2345]
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stop on runlevel [06]
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script
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ENABLE_MONGOD="yes"
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CONF=/etc/mongod.conf
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DAEMON=/usr/bin/mongod
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DAEMONUSER=${DAEMONUSER:-mongodb}
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if [ -f /etc/default/mongod ]; then . /etc/default/mongod; fi
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# Handle NUMA access to CPUs (SERVER-3574)
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# This verifies the existence of numactl as well as testing that the command works
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NUMACTL_ARGS="--interleave=all"
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if which numactl >/dev/null 2>/dev/null && numactl $NUMACTL_ARGS ls / >/dev/null 2>/dev/null
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then
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NUMACTL="$(which numactl) -- $NUMACTL_ARGS"
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DAEMON_OPTS=${DAEMON_OPTS:-"--config $CONF"}
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else
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NUMACTL=""
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DAEMON_OPTS="-- "${DAEMON_OPTS:-"--config $CONF"}
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fi
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if [ "x$ENABLE_MONGOD" = "xyes" ]
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then
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exec start-stop-daemon --start \
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--chuid $DAEMONUSER \
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--pidfile /var/run/mongodb.pid \
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--make-pidfile \
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--exec $NUMACTL $DAEMON $DAEMON_OPTS
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fi
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end script
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