Upstart script for Cassandra

cassandra.conf

description "Cassandra"

start on (local-filesystems and net-device-up IFACE!=lo)
stop on runlevel [06]

limit nofile 1000000 1000000
limit memlock unlimited unlimited

setuid cassandra

respawn
respawn limit 2 120

chdir /var/lib/cassandra

pre-start script
    [ -e /run/cassandra ] || \
       install -d -ocassandra -gcassandra -m755 /run/cassandra
end script

script
   pidfile=/run/cassandra/cassandra.pid
   cassandra_home=`getent passwd cassandra | awk -F ':' '{ print $6; }'`
   heap_dump_f="$cassandra_home/java_`date +%s`.hprof"
   error_log_f="$cassandra_home/hs_err_`date +%s`.log"

   echo $$ > "$pidfile"
   exec /usr/sbin/cassandra -p "$pidfile" -H "$heap_dump_f" -E "$error_log_f" -f
end script