load-tests.txt

# On my 2GB Ubuntu instance:

% siege --delay=0.5 --internet --verbose --reps=100 --concurrent=1000 --no-parser http://g4tp.com

Transactions:                 100000 hits
Availability:                 100.00 %
Elapsed time:                  64.14 secs
Data transferred:            1044.37 MB
Response time:                  0.33 secs
Transaction rate:            1559.09 trans/sec
Throughput:                    16.28 MB/sec
Concurrency:                  507.44
Successful transactions:      100000
Failed transactions:               0
Longest transaction:            7.52
Shortest transaction:           0.00

% $HOME/go/bin/mqtt-benchmark  --count 100 --size 100 --clients 2000 --broker g4tp.com:1883

========= TOTAL (1000) =========
Total Ratio:                 1.000 (100000/100000)
Total Runtime (sec):         101.464
Average Runtime (sec):       100.563
Msg time min (ms):           0.069
Msg time max (ms):           146.440
Msg time mean mean (ms):     1.642
Msg time mean std (ms):      0.439
Average Bandwidth (msg/sec): 0.994
Total Bandwidth (msg/sec):   994.417



/etc/security/limits.conf

# Danny's changes

* soft nofile 10000000
* hard nofile 10000000
root soft nofile 10000000
root hard nofile 10000000

/etc/sysctl.conf

# Danny's changes

fs.file-max = 10000000 
fs.nr_open = 10000000
net.ipv4.tcp_mem = 786432 1697152 1945728
net.ipv4.tcp_rmem = 4096 4096 16777216
net.ipv4.tcp_wmem = 4096 4096 16777216