Load Oracle instance

start_cpu_stress.sh

#!/bin/bash
# start_cpu_stress.sh

# Calculate the desired CPU limit based on the total number of cores
total_cores=1
desired_load_percentage=90
cpu_limit=$(awk -v cores="$total_cores" -v perc="$desired_load_percentage" 'BEGIN { printf "%d", cores * perc }')


echo "CPU limit: $cpu_limit%"

# Run stress in the background
stress --cpu "$total_cores" &
stress_pid=$!

# Apply the CPU limit to the stress process
cpulimit -p "$stress_pid" -l "$cpu_limit" &
cpulimit_pid=$!

# Save the PIDs to a file
echo "stress_pid=$stress_pid" > stress_cpu_pids
echo "cpulimit_pid=$cpulimit_pid" >> stress_cpu_pids

stop_cpu_stress.sh

#!/bin/bash
# stop_cpu_stress.sh

# Kill the stress and cpulimit processes
pkill -9 stress
pkill -9 cpulimit

# Remove the PIDs file if it exists
if [ -f stress_cpu_pids ]; then
  rm stress_cpu_pids
fi