Get stats

stats

#!/bin/bash
# Small script to check max processes and apache max memory usage
max_mem=0
max_processes=0
file_store='./max_values.txt'
touch $file_store
source $file_store

cleanup ()
{
  echo Max memory value found ${max_mem}
  echo Max processes value found ${max_processes}
  echo "max_mem=${max_mem}" > $file_store
  echo "max_processes=${max_processes}" >> $file_store
  exit 0
}

trap cleanup SIGINT SIGTERM

while [ 1 ]
do
    # Sleep for a short period
    sleep 0.1
    # Get current apache memory and processes
    apache_memory=( $( ps aux | grep 'httpd' | grep -v grep | awk '{print $6}') )
    apache_processes=$(ps aux --no-heading | grep httpd | grep -v grep | wc -l)

    # Check processes and memory usage against historical values
    for i in "${apache_memory[@]}"
    do
       if [ "$i" -gt "$max_mem" ]
       then
         echo "New max memory value found ${i}"
         max_mem=$i
       fi
    done

    if [ "$apache_processes" -gt "$max_processes" ]
    then
      echo "New max apache processes found ${apache_processes}"
      max_processes=$apache_processes
    fi
done