Shell Programming and Scripting

ps -ef -o pmem -o pid -o rss -o vsz -o args -o user | grep 2 | grep -v "VSZ COMMAND" | sort | tail -10 | sort -r | while read used rest
do
     if (( $used >= 3.0 ))
     then
         echo "Top 10 Memory processes" >> $LOG
         echo " " >> $LOG
         echo "%MEM   PID  RSS  VSZ COMMAND                                                                              USER" >> $LOG 
         echo ps -ef -o pmem -o pid -o rss -o vsz -o args -o user | grep "VSZ COMMAND" | grep -v grep; ps -ef -o pmem -o pid -o rss -o vsz -o args -o user | grep -v "VSZ COMMAND" | sort | tail -10 | sort -r >> $LOG
         echo " " >> $LOG
         echo "Please investigate above Unix process(es) that have greater than 3.0% memory utilisation." >> $LOG
         mailx -s "Memory WARNING! - $HOST "  < /star/fs/logs/mon_memory_$HOST.log
     exit 1    
     else
         echo "Server Memory OK" >> $LOG
     exit 0
     fi
done

MEM PID RSS VSZ COMMAND USER
39.6 18776 12947256 13005008 PSQRYSRV -C dom=FSPRD4_50390 -g 99 -i 72 -u syd0739 -U /psoft/fs/fsprd/psft/pt/ fsprd
2.2 28370 715432 1320800 PSAPPSRV -C dom=FSPRD2_60674 -g 99 -i 5 -u syd0739 -U /psoft/fs/fsprd/psft/pt/8 fsprd

cat infile

MEM PID RSS VSZ COMMAND USER
39.6 18776 12947256 13005008 PSQRYSRV -C dom=FSPRD4_50390 -g 99 -i 72 -u syd0739 -U /psoft/fs/fsprd/psft/pt/ fsprd
2.2 28370 715432 1320800 PSAPPSRV -C dom=FSPRD2_60674 -g 99 -i 5 -u syd0739 -U /psoft/fs/fsprd/psft/pt/8 fsprd

awk '$1>3.0&&$5=="PSQRYSRV"{print $2}' infile |xargs kill