<div dir="ltr"><div class="gmail_extra">We look at two important things:</div><div class="gmail_extra"><br></div><div class="gmail_extra">erlang:statistics(total_active_tasks)<br></div><div class="gmail_extra"><br></div><div class="gmail_extra">when it is higher than 1500, it is not good.</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">then we take periodically :</div><div class="gmail_extra"><br></div><div class="gmail_extra">erlang:statistics(scheduler_wall_time)<br></div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">it returns list of  {_, Active, Total}</div><div class="gmail_extra"><br></div><div class="gmail_extra">sum all Active, sum all Total  and you get scheduler utilisation.</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div></div>