On 2016-04-14 21:48, Yann Ylavic wrote: > On Thu, Apr 14, 2016 at 9:40 PM, olli hauer <[email protected]> wrote: >> I've done a quick test with >> $ ab -n 10000 -c 100 $host/$url >> >> During the test the count of idle worker are incrementing and decrementing >> but it ab has finished the requests the count of idle workers stays on the >> last highest count ... > > This looks normal to me, did the bahaviour changed w.r.t. 2.4.19? > > When the stress is running, the number of idlers (workers that do > nothing) fluctuates, according to the number of connections/requests > and children created to sustain the load. > > When the load stops, the number of idlers increases, and won't > decrease unless MaxSpareThreads is reached (i.e. children are stopped, > each releasing ThreadsPerChild idlers). >
Ah, OK this will explain the numbers. Unluckily I haven't looked to scoreboard with 2.4.19, but give me some minutes ... -- olli
