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nimatrueway/ app-2.11_Controller01.scala

Last active January 4, 2017 10:50
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An example that demonstrates how asynchronous mechanism in Scala should and should not be used.
Raw
app-2.11_Controller01.scala
package ir.taheri
import play.api.mvc._
import scala.concurrent._
import ExecutionContext.Implicits.global
class Controller01 {
def method01 = Action.async {
Future {
blocking { // We use blocking to cover the blocking area (same thing applies for cpu-intensive areas)
myBlocker()
}
Results.Ok("")
}
}
def method01C = Action.async { // an exact copy of method01
Future {
blocking {
myBlocker()
}
Results.Ok("")
}
}
def method02 = Action.async {
Future {
myBlocker()
Results.Ok("")
}
}
private def myBlocker() {
Thread.sleep(1100L)
// you could use a cpu-intensive job like
// "for (i <- 0 to 999999999) {}" as well
}
}
Raw
conf_routes
GET /method01 ir.taheri.Controller01.method01
GET /method02 ir.taheri.Controller01.method02
GET /method01C ir.taheri.Controller01.method01C
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test-method01+01C.bash
# these lines of code execute "method01" and "method01C" services each for #{cpu-cores} times in parallel
for run in {1..$(nproc --all)}; do; (time curl http://localhost:9000/method01 &); done;
for run in {1..$(nproc --all)}; do; (time curl http://localhost:9000/method01C &); done;
# Console output will be: (my system has 12 cores)
#
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.126 total
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 1.128 total
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.125 total
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.122 total
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.127 total
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.121 total
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.127 total
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.121 total
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.119 total
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.126 total
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.128 total
# curl http://localhost:9000/method01C 0.01s user 0.00s system 0% cpu 1.120 total
# curl http://localhost:9000/method01C 0.01s user 0.00s system 0% cpu 1.123 total
# curl http://localhost:9000/method01C 0.01s user 0.00s system 0% cpu 1.119 total
# curl http://localhost:9000/method01C 0.01s user 0.00s system 0% cpu 1.123 total
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.131 total
# curl http://localhost:9000/method01C 0.00s user 0.00s system 0% cpu 1.119 total
# curl http://localhost:9000/method01C 0.01s user 0.00s system 1% cpu 1.129 total
# curl http://localhost:9000/method01C 0.00s user 0.00s system 0% cpu 1.118 total
# curl http://localhost:9000/method01C 0.01s user 0.00s system 0% cpu 1.122 total
# curl http://localhost:9000/method01C 0.00s user 0.01s system 0% cpu 1.119 total
# curl http://localhost:9000/method01C 0.01s user 0.00s system 0% cpu 1.116 total
# curl http://localhost:9000/method01C 0.01s user 0.00s system 0% cpu 1.117 total
# curl http://localhost:9000/method01C 0.00s user 0.00s system 0% cpu 1.127 total
Raw
test-method01+02-N1.bash
# These lines of code execute "method01" service #{cpu-cores * 5} times
# and then "method02" service #{cpu-cores * 2} times
# all services should be invoked almost parallel, but the first group starts probably just less than a millisecond earlier
for run in {1..$(($(nproc --all) * 5))}; do; (time curl http://localhost:9000/method01 &); done;
for run in {1..$(($(nproc --all) * 2))}; do; (time curl http://localhost:9000/method02 &); done;
# Console output will be: (my system has 12 cores)
# The maximum number of active threads in forkjoinpool has become 59
#
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.162 total // 1
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.171 total // 2
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.157 total // 3
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.170 total // 4
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.140 total // 5
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.179 total // 6
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.164 total // 7
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.156 total // 8
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.181 total // 9
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.169 total // 10
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.158 total // 11
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.149 total // 12
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.145 total // 13
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.170 total // 14
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.149 total // 15
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.167 total // 16
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.143 total // 17
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.159 total // 18
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.175 total // 19
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.184 total // 20
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.159 total // 21
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.173 total // 22
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.140 total // 23
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.154 total // 24
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.158 total // 25
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.156 total // 26
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.140 total // 27
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 1.125 total // 28
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.139 total // 29
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.127 total // 30
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.142 total // 31
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.157 total // 32
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.139 total // 33
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.153 total // 34
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.153 total // 35
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.132 total // 36
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.125 total // 37
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.157 total // 38
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 1.125 total // 39
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.122 total // 40
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.125 total // 41
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 1.167 total // 42
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 1.174 total // 43
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.127 total // 44
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.142 total // 45
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.125 total // 46
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.158 total // 47
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 1.171 total // 48
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.142 total // 49
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.141 total // 50
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.150 total // 51
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.154 total // 52
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.157 total // 53
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 1.134 total // 54
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.164 total // 55
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.165 total // 56
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 1.124 total // 57
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.140 total // 58
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.135 total // 59
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.176 total // ! //60
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.174 total // 61
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 2.205 total // 62
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.173 total // 63
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.156 total // 64
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.159 total // 65
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.154 total // 66
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.157 total // 67
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.155 total // 68
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.152 total // 69
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.156 total // 70
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.152 total // 71
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.152 total // 72
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 2.201 total // 73
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.183 total // 74
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.155 total // 75
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.176 total // 76
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.167 total // 77
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.170 total // 78
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.178 total // 79
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.158 total // 80
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.173 total // 81
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.185 total // 82
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.173 total // 83
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.173 total // 84
Raw
test-method01+02-N2.bash
# These lines of code execute "method01" service #{cpu-cores * 2} times
# and "method02" service #{cpu-cores * 5} times
# all services should be invoked almost parallel, but the first group starts probably just less than a millisecond earlier
for run in {1..$(($(nproc --all) * 2))}; do; (time curl http://localhost:9000/method01 &); done;
for run in {1..$(($(nproc --all) * 5))}; do; (time curl http://localhost:9000/method02 &); done;
# Console output will be: (my system has 12 cores)
# The maximum number of active threads in forkjoinpool has become 23
#
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.180 total // 1
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.159 total // 2
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.165 total // 3
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.174 total // 4
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.179 total // 5
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.172 total // 6
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 1.173 total // 7
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.176 total // 8
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.181 total // 9
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.164 total // 10
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.168 total // 11
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.148 total // 12
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.182 total // 13
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.167 total // 14
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.144 total // 15
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.151 total // 16
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.156 total // 17
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.159 total // 18
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.166 total // 19
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.151 total // 20
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.170 total // 21
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.153 total // 22
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 1.148 total // 23
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.229 total // ! // 24
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.233 total // 25
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 2.241 total // 26
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.186 total // 27
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.200 total // 28
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.213 total // 29
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.208 total // 30
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.176 total // 31
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.178 total // 32
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 2.260 total // 33
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.212 total // 34
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.220 total // 35
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.186 total // 36
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.212 total // 37
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.213 total // 38
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.229 total // 39
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.199 total // 40
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.220 total // 41
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.242 total // 42
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.203 total // 43
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.237 total // 44
# curl http://localhost:9000/method02 0.00s user 0.01s system 0% cpu 2.194 total // 45
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.212 total // 46
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 3.247 total // ! // 47
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 3.326 total // 48
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 3.255 total // 49
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 3.283 total // 50
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.295 total // 51
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 3.330 total // 52
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.321 total // 53
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.252 total // 54
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.255 total // 55
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.294 total // 56
# curl http://localhost:9000/method02 0.00s user 0.01s system 0% cpu 3.274 total // 57
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.284 total // 58
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.291 total // 59
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 3.269 total // 60
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.305 total // 61
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.244 total // 62
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.249 total // 63
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.273 total // 64
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.275 total // 65
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.247 total // 66
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.250 total // 67
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.251 total // 68
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 3.299 total // 69
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.374 total // ! // 70
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.354 total // 71
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 4.363 total // 72
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.362 total // 73
# curl http://localhost:9000/method02 0.00s user 0.01s system 0% cpu 4.376 total // 74
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.348 total // 75
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 4.363 total // 76
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.377 total // 77
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 4.346 total // 78
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.332 total // 79
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.344 total // 80
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 4.346 total // 81
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.344 total // 82
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.343 total // 83
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.343 total // 84
Raw
test-method01+02-N3.bash
# These lines of code execute "method01" and "method02" services each #{cpu-cores * 2} times
# and then "method01" service #{cpu-cores * 3} times
# all services should be invoked almost parallel, but the first group starts probably just less than a millisecond earlier
for run in {1..$(($(nproc --all) * 2))}; do; (time curl http://localhost:9000/method01 &); (time curl http://localhost:9000/method02 &); done;
for run in {1..$(($(nproc --all) * 3))}; do; (time curl http://localhost:9000/method01 &); done;
# Console output will be: (my system has 12 cores)
# The maximum number of active threads in forkjoinpool has become 12
#
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.121 total // 1
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 1.120 total // 2
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.123 total // 3
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 1.124 total // 4
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 1.120 total // 5
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.122 total // 6
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 1.116 total // 7
# curl http://localhost:9000/method02 0.01s user 0.00s system 1% cpu 1.120 total // 8
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.121 total // 9
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.124 total // 10
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.120 total // 11
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.119 total // 12
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.202 total // ! // 13
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 2.199 total // 14
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 2.198 total // 15
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.203 total // 16
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 2.188 total // 17
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 2.190 total // 18
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.191 total // 19
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 2.186 total // 20
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 2.186 total // 21
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.190 total // 22
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 2.205 total // 23
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.189 total // 24
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.273 total // ! // 25
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 3.276 total // 26
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 3.272 total // 27
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 3.291 total // 28
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 3.267 total // 29
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 3.266 total // 30
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 3.276 total // 31
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 3.265 total // 32
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.259 total // 33
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 3.258 total // 34
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 3.256 total // 35
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 3.296 total // 36
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 4.383 total // ! // 37
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 4.311 total // 38
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 4.306 total // 39
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 4.305 total // 40
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 4.303 total // 41
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 4.305 total // 42
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.383 total // 43
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 4.306 total // 44
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 4.378 total // 45
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 4.374 total // 46
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 4.377 total // 47
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 4.360 total // 48
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 5.451 total // ! // 49
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 5.464 total // 50
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 5.443 total // 51
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 5.464 total // 52
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 5.448 total // 53
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 5.447 total // 54
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 5.441 total // 55
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 5.481 total // 56
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 5.447 total // 57
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 5.449 total // 58
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 5.440 total // 59
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 5.457 total // 60
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 6.520 total // ! // 61
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 6.521 total // 62
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 6.522 total // 63
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 6.520 total // 64
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 6.519 total // 65
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 6.562 total // 66
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 6.518 total // 67
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 6.517 total // 68
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 6.557 total // 69
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 6.589 total // 70
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 6.521 total // 71
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 6.515 total // 72
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 6.515 total // 73
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 6.560 total // 74
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 6.564 total // 75
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 7.638 total // ! // 76
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 7.632 total // 77
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 7.632 total // 78
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 7.627 total // 79
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 7.631 total // 80
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 7.625 total // 81
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 7.630 total // 82
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 7.612 total // 83
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 7.618 total // 84
Raw
build.sbt
name := "Scala Execution Example"
version := "1.0"
scalaVersion := "2.11.7"
enablePlugins(PlayScala)
Raw
test-method01.bash
# this line of code executes "method01" service #{cpu-cores+1} times in parallel
for run in {1..$(($(nproc --all) + 1))}; do; (time curl http://localhost:9000/method01 &); done;
# Console output will be: (my system has 12 cores)
#
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.121 total // 1
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.120 total // 2
# curl http://localhost:9000/method01 0.00s user 0.01s system 0% cpu 1.120 total // 3
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.119 total // 4
# curl http://localhost:9000/method01 0.00s user 0.00s system 0% cpu 1.117 total // 5
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.118 total // 6
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.118 total // 7
# curl http://localhost:9000/method01 0.01s user 0.00s system 1% cpu 1.120 total // 8
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.122 total // 9
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.118 total // 10
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.120 total // 11
# curl http://localhost:9000/method01 0.00s user 0.01s system 1% cpu 1.122 total // 12
# curl http://localhost:9000/method01 0.01s user 0.00s system 0% cpu 1.118 total // ! // 13
Raw
test-method02.bash
# this line of code executes "method02" service #{cpu-cores+1} times in parallel
for run in {1..$(($(nproc --all) + 1))}; do; (time curl http://localhost:9000/method02 &); done;
# Console output will be: (my system has 12 cores)
#
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 1.121 total // 1
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 1.120 total // 2
# curl http://localhost:9000/method02 0.00s user 0.01s system 0% cpu 1.120 total // 3
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 1.119 total // 4
# curl http://localhost:9000/method02 0.00s user 0.00s system 0% cpu 1.117 total // 5
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 1.118 total // 6
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 1.118 total // 7
# curl http://localhost:9000/method02 0.01s user 0.00s system 1% cpu 1.120 total // 8
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 1.122 total // 9
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 1.118 total // 10
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 1.120 total // 11
# curl http://localhost:9000/method02 0.00s user 0.01s system 1% cpu 1.122 total // 12
# curl http://localhost:9000/method02 0.01s user 0.00s system 0% cpu 2.202 total // ! // 13
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