How to inject 10 users every 10 seconds until max users reached?

Here is what I set:

`

setUp(
scn.inject(
splitUsers(MAX_USERS_COUNT) into(
atOnceUsers(10)
) separatedBy(10 seconds)
).protocols(httpProtocol)
)

`

I find that MAX_USERS_COUNT must be multiples of ten, e.g 20,30,…40. 21 will just active 20 users. And If MAX_USERS_COUNT <= 10, e.g 1, will raise an error:

`

Exception in thread “main” java.lang.UnsupportedOperationException: There were no requests sent during the simulation, reports won’t be generated
at io.gatling.charts.report.ReportsGenerator.generateFor(ReportsGenerator.scala:48)
at io.gatling.app.RunResultProcessor.generateReports(RunResultProcessor.scala:76)
at io.gatling.app.RunResultProcessor.processRunResult(RunResultProcessor.scala:55)
at io.gatling.app.Gatling$.start(Gatling.scala:61)
at io.gatling.app.Gatling$.fromArgs(Gatling.scala:41)
at io.gatling.app.Gatling$.main(Gatling.scala:33)
at io.gatling.app.Gatling.main(Gatling.scala)

`

Any ideas?

I find if-else could work:

`

val injectStrategy =
if (USERS_COUNT > 10) {
splitUsers(USERS_COUNT) into(rampUsers(10) over(5 seconds)) separatedBy(10 seconds)
} else {
atOnceUsers(USERS_COUNT)
}

setUp(
scn.inject(
injectStrategy
).protocols(httpProtocol)
)

`

在 2017年1月6日星期五 UTC+8下午10:58:46,Feng Yu写道: