Each generator uses 300 threads and runs on different machine ++++++++++++++++++++++++++ 1 datapoint per request ++++++++++++++++++++++++++ 600 threads ============================== 10139 + 8132 = 18271 9902 + 8207 = 18109 10075 + 8081 = 18156 avg-cpu: %user %nice %system %iowait %steal %idle 45.80 0.00 6.05 0.11 0.00 48.04 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 26.50 0.00 6544.45 0 65444 dm-0 0.00 0.00 0.00 0 0 dm-1 0.00 0.00 0.00 0 0 dm-2 26.80 0.00 6544.45 0 65444 900 threads ============================== [Full GC (Ergonomics) 361549K->63953K(497664K), 0.1192750 secs] - regularly each ~3s 6901 + 6277 + 6131 = 19309 6096 + 6192 + 6096 = 18384 6935 + 6116 + 6075 = 19126 6123 + 6123 + 6179 = 18425 avg-cpu: %user %nice %system %iowait %steal %idle 47.52 0.00 5.87 0.13 0.00 46.48 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 27.30 0.00 6575.30 0 65753 dm-0 0.20 0.00 2.40 0 24 dm-1 0.00 0.00 0.00 0 0 dm-2 27.90 0.00 6572.90 0 65729 1200 threads ============================= 2653 + 2626 + 2604 + 2629 = 10512 2615 + 2592 + 2588 + 2582 = 10377 avg-cpu: %user %nice %system %iowait %steal %idle 32.68 0.00 4.38 0.15 0.00 62.79 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 13.30 0.00 3284.95 0 32849 dm-0 0.10 0.00 0.20 0 2 dm-1 0.00 0.00 0.00 0 0 dm-2 13.40 0.00 3284.75 0 32847 1500 threads ============================= 2011 + 1995 + 1995 + 2005 + 1996 = 10002 2008 + 2002 + 2002 + 1993 + 2003 = 10008 avg-cpu: %user %nice %system %iowait %steal %idle 32.27 0.00 4.21 0.16 0.00 63.35 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 14.50 0.00 3286.00 0 32860 dm-0 0.70 0.00 3.35 0 33 dm-1 0.00 0.00 0.00 0 0 dm-2 14.30 0.00 3282.65 0 32826 ++++++++++++++++++++++++++ 10 datapoint per request ++++++++++++++++++++++++++ 300 threads ============================= 5074 avg-cpu: %user %nice %system %iowait %steal %idle 36.60 0.00 3.77 0.25 0.00 59.38 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 57.10 0.00 13812.85 0 138128 dm-0 0.00 0.00 0.00 0 0 dm-1 0.00 0.00 0.00 0 0 dm-2 58.30 0.00 13812.85 0 138128 600 threads ============================= 1789 + 1711 = 3500 1773 + 1704 = 3477 avg-cpu: %user %nice %system %iowait %steal %idle 27.21 0.00 3.60 0.20 0.00 68.98 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 42.60 0.00 10502.95 0 105029 dm-0 0.10 0.00 0.15 0 1 dm-1 0.00 0.00 0.00 0 0 dm-2 43.00 0.00 10502.80 0 105028 900 threads ============================= 1062 + 1062 + 1062 = 3186 1045 + 1041 + 1041 = 3127 avg-cpu: %user %nice %system %iowait %steal %idle 25.93 2.48 3.33 0.17 0.00 68.10 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 44.00 0.00 10629.15 0 106291 dm-0 0.10 0.00 0.40 0 4 dm-1 0.00 0.00 0.00 0 0 dm-2 44.30 0.00 10628.75 0 106287 1200 threads ============================= 793 + 791 + 790 + 792 = 3166 798 + 793 + 794 + 795 = 3180 avg-cpu: %user %nice %system %iowait %steal %idle 27.23 0.00 3.40 0.19 0.00 69.19 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 44.20 0.00 10925.00 0 109250 dm-0 0.00 0.00 0.00 0 0 dm-1 0.00 0.00 0.00 0 0 dm-2 44.60 0.00 10925.00 0 109250 1500 threads ============================= [Full GC (Ergonomics) 364515K->91472K(493056K), 0.1645684 secs] - regularly each ~3s 616 + 624 + 614 + 614 + 616 = 3084 632 + 631 + 630 + 630 + 632 = 3155 avg-cpu: %user %nice %system %iowait %steal %idle 27.22 0.00 3.40 0.22 0.00 69.17 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 26.50 0.00 6572.10 0 65721 dm-0 0.10 0.00 0.25 0 2 dm-1 0.00 0.00 0.00 0 0 dm-2 26.80 0.00 6571.85 0 65718 ++++++++++++++++++ 1 datapoint/ request with increased memory -Xms2048m -Xmx2048m -XX:MaxPermSize=256m ++++++++++++++++++ 900 threads ============================= 6480 + 6492 + 7286 = 20258 6970 + 6390 + 6293 = 19653 avg-cpu: %user %nice %system %iowait %steal %idle 59.39 0.00 22.30 0.11 0.00 18.19 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 27.10 0.00 6565.75 0 65657 dm-0 0.30 0.00 19.60 0 196 dm-1 0.00 0.00 0.00 0 0 dm-2 27.70 0.00 6546.15 0 65461 1500 threads ============================= 4088 + 3943 + 3932 + 3939 + 3943 = 19845 avg-cpu: %user %nice %system %iowait %steal %idle 59.49 0.00 21.86 0.07 0.00 18.58 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 26.47 0.00 6539.16 0 65457 dm-0 0.10 0.00 0.15 0 1 dm-1 0.00 0.00 0.00 0 0 dm-2 26.77 0.00 6539.01 0 65455