mosquitto-cpu-testing

sample output

$ lua send-cpu.lua 
Posted 35 messages in 0.955896 seconds, long term: total=35, rate: 36.614710 msgs/sec
Posted 35 messages in 0.953455 seconds, long term: total=70, rate: 31.679929 msgs/sec
Posted 35 messages in 0.882752 seconds, long term: total=105, rate: 30.950216 msgs/sec
Posted 35 messages in 0.883659 seconds, long term: total=140, rate: 30.591545 msgs/sec
Posted 35 messages in 0.940316 seconds, long term: total=175, rate: 30.084469 msgs/sec
Posted 35 messages in 0.887835 seconds, long term: total=210, rate: 29.978839 msgs/sec
Posted 35 messages in 0.949010 seconds, long term: total=245, rate: 29.681898 msgs/sec
Posted 35 messages in 0.884780 seconds, long term: total=280, rate: 29.663531 msgs/sec
Posted 35 messages in 0.951152 seconds, long term: total=315, rate: 29.465380 msgs/sec
Posted 35 messages in 1.893567 seconds, long term: total=350, rate: 27.164851 msgs/sec
Posted 35 messages in 0.949104 seconds, long term: total=385, rate: 27.240062 msgs/sec
Posted 35 messages in 0.857044 seconds, long term: total=420, rate: 27.467447 msgs/sec
Posted 35 messages in 0.888572 seconds, long term: total=455, rate: 27.609833 msgs/sec
Posted 35 messages in 0.883322 seconds, long term: total=490, rate: 27.741412 msgs/sec
Posted 35 messages in 1.883382 seconds, long term: total=525, rate: 26.452760 msgs/sec
Posted 35 messages in 0.958438 seconds, long term: total=560, rate: 26.533577 msgs/sec
Posted 35 messages in 0.885526 seconds, long term: total=595, rate: 26.692285 msgs/sec
Posted 35 messages in 0.884269 seconds, long term: total=630, rate: 26.836378 msgs/sec
Posted 35 messages in 0.878745 seconds, long term: total=665, rate: 26.972773 msgs/sec
Posted 35 messages in 1.946313 seconds, long term: total=700, rate: 26.021320 msgs/sec
Posted 35 messages in 0.883769 seconds, long term: total=735, rate: 26.169429 msgs/sec
Posted 35 messages in 0.885187 seconds, long term: total=770, rate: 26.305351 msgs/sec
Posted 35 messages in 0.877327 seconds, long term: total=805, rate: 26.437534 msgs/sec
Posted 35 messages in 1.035216 seconds, long term: total=840, rate: 26.427931 msgs/sec
Posted 35 messages in 1.883880 seconds, long term: total=875, rate: 25.759046 msgs/sec
Posted 35 messages in 0.875405 seconds, long term: total=910, rate: 25.893286 msgs/sec
Posted 35 messages in 0.959425 seconds, long term: total=945, rate: 25.958791 msgs/sec
Posted 35 messages in 0.882302 seconds, long term: total=980, rate: 26.073299 msgs/sec
Posted 35 messages in 0.879280 seconds, long term: total=1015, rate: 26.182860 msgs/sec
Posted 35 messages in 1.878744 seconds, long term: total=1050, rate: 25.644288 msgs/sec
Posted 35 messages in 0.899575 seconds, long term: total=1085, rate: 25.744744 msgs/sec
Posted 35 messages in 0.962784 seconds, long term: total=1120, rate: 25.802019 msgs/sec
Posted 35 messages in 0.883979 seconds, long term: total=1155, rate: 25.901749 msgs/sec
Posted 35 messages in 4.950318 seconds, long term: total=1190, rate: 23.875411 msgs/sec
Posted 35 messages in 0.887534 seconds, long term: total=1225, rate: 24.005571 msgs/sec
Posted 35 messages in 0.949636 seconds, long term: total=1260, rate: 24.101138 msgs/sec
Posted 35 messages in 3.895607 seconds, long term: total=1295, rate: 22.930305 msgs/sec
Posted 35 messages in 6.896778 seconds, long term: total=1330, rate: 20.888161 msgs/sec
Posted 35 messages in 3.877150 seconds, long term: total=1365, rate: 20.117977 msgs/sec
Posted 35 messages in 0.929435 seconds, long term: total=1400, rate: 20.266539 msgs/sec
Posted 35 messages in 0.882133 seconds, long term: total=1435, rate: 20.423627 msgs/sec
Posted 35 messages in 0.879950 seconds, long term: total=1470, rate: 20.576151 msgs/sec
Posted 35 messages in 8.988951 seconds, long term: total=1505, rate: 18.642136 msgs/sec
Posted 35 messages in 18.920972 seconds, long term: total=1540, rate: 15.407355 msgs/sec
Posted 35 messages in 0.976775 seconds, long term: total=1575, rate: 15.558750 msgs/sec
Posted 35 messages in 0.880209 seconds, long term: total=1610, rate: 15.721183 msgs/sec
Posted 35 messages in 0.880075 seconds, long term: total=1645, rate: 15.879937 msgs/sec
Posted 35 messages in 0.884053 seconds, long term: total=1680, rate: 16.034498 msgs/sec
Posted 35 messages in 0.879911 seconds, long term: total=1715, rate: 16.186230 msgs/sec
Posted 35 messages in 16.996453 seconds, long term: total=1750, rate: 14.198676 msgs/sec
Posted 35 messages in 0.888311 seconds, long term: total=1785, rate: 14.344333 msgs/sec
Posted 35 messages in 0.882497 seconds, long term: total=1820, rate: 14.487897 msgs/sec
Posted 35 messages in 0.955377 seconds, long term: total=1855, rate: 14.620378 msgs/sec
Posted 35 messages in 0.894458 seconds, long term: total=1890, rate: 14.757280 msgs/sec
Posted 35 messages in 0.896730 seconds, long term: total=1925, rate: 14.891387 msgs/sec
Posted 35 messages in 0.885778 seconds, long term: total=1960, rate: 15.024300 msgs/sec
Posted 35 messages in 0.947609 seconds, long term: total=1995, rate: 15.147705 msgs/sec
Posted 35 messages in 0.891066 seconds, long term: total=2030, rate: 15.275288 msgs/sec
Posted 35 messages in 1.946434 seconds, long term: total=2065, rate: 15.280337 msgs/sec
Posted 35 messages in 0.890362 seconds, long term: total=2100, rate: 15.403622 msgs/sec
Posted 35 messages in 0.969234 seconds, long term: total=2135, rate: 15.515875 msgs/sec
Posted 35 messages in 0.943683 seconds, long term: total=2170, rate: 15.628952 msgs/sec
Posted 35 messages in 0.881955 seconds, long term: total=2205, rate: 15.746962 msgs/sec
Posted 35 messages in 0.883396 seconds, long term: total=2240, rate: 15.862833 msgs/sec
Posted 35 messages in 1.879640 seconds, long term: total=2275, rate: 15.865773 msgs/sec
Posted 35 messages in 0.887502 seconds, long term: total=2310, rate: 15.977523 msgs/sec
Posted 35 messages in 0.892114 seconds, long term: total=2345, rate: 16.086932 msgs/sec
Posted 35 messages in 1.896149 seconds, long term: total=2380, rate: 16.084687 msgs/sec
Posted 35 messages in 1.052553 seconds, long term: total=2415, rate: 16.173362 msgs/sec
Posted 35 messages in 0.885991 seconds, long term: total=2450, rate: 16.278441 msgs/sec
Posted 35 messages in 0.883295 seconds, long term: total=2485, rate: 16.382168 msgs/sec
Posted 35 messages in 0.890406 seconds, long term: total=2520, rate: 16.483520 msgs/sec
Posted 35 messages in 0.951255 seconds, long term: total=2555, rate: 16.576760 msgs/sec
Posted 35 messages in 1.905908 seconds, long term: total=2590, rate: 16.566716 msgs/sec
Posted 35 messages in 0.899821 seconds, long term: total=2625, rate: 16.662694 msgs/sec
Posted 35 messages in 0.884681 seconds, long term: total=2660, rate: 16.758820 msgs/sec
Posted 35 messages in 0.936109 seconds, long term: total=2695, rate: 16.848100 msgs/sec
Posted 35 messages in 0.877641 seconds, long term: total=2730, rate: 16.942156 msgs/sec
Posted 35 messages in 0.874237 seconds, long term: total=2765, rate: 17.035201 msgs/sec
Posted 35 messages in 1.897014 seconds, long term: total=2800, rate: 17.020428 msgs/sec
Posted 35 messages in 0.884715 seconds, long term: total=2835, rate: 17.109946 msgs/sec
Posted 35 messages in 2.001325 seconds, long term: total=2870, rate: 17.083875 msgs/sec
Posted 35 messages in 1.882859 seconds, long term: total=2905, rate: 17.070387 msgs/sec
Posted 35 messages in 0.893037 seconds, long term: total=2940, rate: 17.155762 msgs/sec
Posted 35 messages in 1.886745 seconds, long term: total=2975, rate: 17.141248 msgs/sec
Posted 35 messages in 3.986664 seconds, long term: total=3010, rate: 16.924871 msgs/sec
Posted 35 messages in 1.965588 seconds, long term: total=3045, rate: 16.906278 msgs/sec
Posted 35 messages in 4.894005 seconds, long term: total=3080, rate: 16.621262 msgs/sec
Posted 35 messages in 3.950563 seconds, long term: total=3115, rate: 16.433171 msgs/sec
Posted 35 messages in 0.995771 seconds, long term: total=3150, rate: 16.504968 msgs/sec
Posted 35 messages in 0.882955 seconds, long term: total=3185, rate: 16.585537 msgs/sec
Posted 35 messages in 0.882696 seconds, long term: total=3220, rate: 16.665140 msgs/sec
Posted 35 messages in 3.892225 seconds, long term: total=3255, rate: 16.488517 msgs/sec
Posted 35 messages in 3.884729 seconds, long term: total=3290, rate: 16.319842 msgs/sec
Posted 35 messages in 19.010834 seconds, long term: total=3325, rate: 15.051642 msgs/sec
Posted 35 messages in 0.874144 seconds, long term: total=3360, rate: 15.129649 msgs/sec
Posted 35 messages in 0.888130 seconds, long term: total=3395, rate: 15.205886 msgs/sec
Posted 35 messages in 0.881893 seconds, long term: total=3430, rate: 15.281737 msgs/sec
Posted 35 messages in 0.879343 seconds, long term: total=3465, rate: 15.356970 msgs/sec
Posted 35 messages in 0.889081 seconds, long term: total=3500, rate: 15.430759 msgs/sec
Posted 35 messages in 10.914468 seconds, long term: total=3535, rate: 14.850795 msgs/sec
Posted 35 messages in 5.900050 seconds, long term: total=3570, rate: 14.617091 msgs/sec
Posted 35 messages in 0.865629 seconds, long term: total=3605, rate: 14.690276 msgs/sec
Posted 35 messages in 0.957373 seconds, long term: total=3640, rate: 14.757276 msgs/sec
Posted 35 messages in 0.877770 seconds, long term: total=3675, rate: 14.828360 msgs/sec
Posted 35 messages in 0.954355 seconds, long term: total=3710, rate: 14.894190 msgs/sec
Posted 35 messages in 0.887302 seconds, long term: total=3745, rate: 14.963367 msgs/sec
Posted 35 messages in 1.879686 seconds, long term: total=3780, rate: 14.972800 msgs/sec
Posted 35 messages in 0.896558 seconds, long term: total=3815, rate: 15.040140 msgs/sec
Posted 35 messages in 0.823734 seconds, long term: total=3850, rate: 15.111166 msgs/sec
Posted 35 messages in 0.865600 seconds, long term: total=3885, rate: 15.179087 msgs/sec
Posted 35 messages in 1.001212 seconds, long term: total=3920, rate: 15.238353 msgs/sec
Posted 35 messages in 1.881883 seconds, long term: total=3955, rate: 15.245092 msgs/sec
Posted 35 messages in 0.894918 seconds, long term: total=3990, rate: 15.309479 msgs/sec
Posted 35 messages in 0.986982 seconds, long term: total=4025, rate: 15.367872 msgs/sec
Posted 35 messages in 1.888091 seconds, long term: total=4060, rate: 15.373064 msgs/sec
Posted 35 messages in 0.879303 seconds, long term: total=4095, rate: 15.436649 msgs/sec
Posted 35 messages in 0.878989 seconds, long term: total=4130, rate: 15.499687 msgs/sec
Posted 35 messages in 3.899530 seconds, long term: total=4165, rate: 15.388494 msgs/sec
Posted 35 messages in 0.949971 seconds, long term: total=4200, rate: 15.446461 msgs/sec
Posted 35 messages in 0.932697 seconds, long term: total=4235, rate: 15.504881 msgs/sec
Posted 35 messages in 0.780678 seconds, long term: total=4270, rate: 15.571402 msgs/sec
Posted 35 messages in 0.850221 seconds, long term: total=4305, rate: 15.633452 msgs/sec
Posted 35 messages in 0.879123 seconds, long term: total=4340, rate: 15.693344 msgs/sec
Posted 35 messages in 2.054899 seconds, long term: total=4375, rate: 15.686317 msgs/sec
Posted 35 messages in 0.882918 seconds, long term: total=4410, rate: 15.745017 msgs/sec
Posted 35 messages in 0.809631 seconds, long term: total=4445, rate: 15.807341 msgs/sec
Posted 35 messages in 0.907295 seconds, long term: total=4480, rate: 15.863691 msgs/sec
Posted 35 messages in 0.878251 seconds, long term: total=4515, rate: 15.921190 msgs/sec
Posted 35 messages in 1.892814 seconds, long term: total=4550, rate: 15.921486 msgs/sec
Posted 35 messages in 1.890246 seconds, long term: total=4585, rate: 15.921921 msgs/sec
Posted 35 messages in 0.889919 seconds, long term: total=4620, rate: 15.977429 msgs/sec
Posted 35 messages in 1.876925 seconds, long term: total=4655, rate: 15.978166 msgs/sec
Posted 35 messages in 0.934765 seconds, long term: total=4690, rate: 16.030348 msgs/sec
Posted 35 messages in 1.881674 seconds, long term: total=4725, rate: 16.030427 msgs/sec
Posted 35 messages in 3.895320 seconds, long term: total=4760, rate: 15.922529 msgs/sec
Posted 35 messages in 0.891939 seconds, long term: total=4795, rate: 15.975895 msgs/sec
Posted 35 messages in 3.885375 seconds, long term: total=4830, rate: 15.871178 msgs/sec
Posted 35 messages in 2.890670 seconds, long term: total=4865, rate: 15.820310 msgs/sec
Posted 35 messages in 1.889390 seconds, long term: total=4900, rate: 15.821471 msgs/sec
Posted 35 messages in 0.885507 seconds, long term: total=4935, rate: 15.873710 msgs/sec
Posted 35 messages in 1.933319 seconds, long term: total=4970, rate: 15.872254 msgs/sec
Posted 35 messages in 0.881336 seconds, long term: total=5005, rate: 15.923942 msgs/sec
Posted 35 messages in 0.879988 seconds, long term: total=5040, rate: 15.975313 msgs/sec
Posted 35 messages in 1.887843 seconds, long term: total=5075, rate: 15.975457 msgs/sec
Posted 35 messages in 4.955949 seconds, long term: total=5110, rate: 15.823816 msgs/sec
Posted 35 messages in 18.921796 seconds, long term: total=5145, rate: 15.037136 msgs/sec
Posted 35 messages in 0.905784 seconds, long term: total=5180, rate: 15.086256 msgs/sec
Posted 35 messages in 0.882584 seconds, long term: total=5215, rate: 15.136052 msgs/sec
Posted 35 messages in 0.888103 seconds, long term: total=5250, rate: 15.185263 msgs/sec
Posted 35 messages in 0.961185 seconds, long term: total=5285, rate: 15.230928 msgs/sec
Posted 35 messages in 11.927006 seconds, long term: total=5320, rate: 14.809925 msgs/sec
Posted 35 messages in 4.890654 seconds, long term: total=5355, rate: 14.695009 msgs/sec
Posted 35 messages in 0.874163 seconds, long term: total=5390, rate: 14.743543 msgs/sec

send-cpu.lua

#!/usr/bin/env lua

require("socket")

settings = {
    topic = "local/%d",
    host = "192.168.255.26",
    msgs_per_loop = 35,
    msg_file = "sample.large"  -- this is a 2.5k json file.
}

function send_batch(count, msg_file)
    local start = socket.gettime()
    for i = 1, count do
        local topic = string.format(settings.topic, i)
        os.execute(string.format([[mosquitto_pub -q 2 -t "%s" -f "%s" -h %s]],
            topic, msg_file, settings.host))
    end
    return socket.gettime() - start
end

function main()

    local mcount = 0
    local start = socket.gettime()
    while true do
        local batch_time = send_batch(settings.msgs_per_loop, settings.msg_file)
        mcount = mcount + settings.msgs_per_loop
        local now = socket.gettime()
        local template = "Posted %d messages in %f seconds, long term: total=%d, rate: %f msgs/sec"
        print(string.format(template, settings.msgs_per_loop, batch_time, mcount, (mcount / (now - start))))
        socket.sleep(0.3)
    end
    
end

main()