# N connections 1 worker 4 workers 8 workers 8 workers + keep-alive 1 1693 1517 1786 1559 2 3045 3041 2910 3300 3 3454 3130 3896 4887 4 3477 4125 4699 6360 5 3433 5305 5520 7210 6 3429 5418 5750 7758 7 3400 5315 5830 8433 8 3479 5257 6252 9173 16 3431 5340 6287 11512 32 3462 5477 6101 12476