在gatling中使用pace来控制速率

import io.gatling.core.Predef._
import io.gatling.http.Predef._
import scala.concurrent.duration._

class BasicSimulation extends Simulation {

  val httpProtocol = http
    .baseUrl("http://example.com")
    .acceptHeader("text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8")
    .doNotTrackHeader("1")
    .acceptLanguageHeader("en-US,en;q=0.5")
    .acceptEncodingHeader("gzip, deflate")
    .userAgentHeader("Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Firefox/31.0")

  val scn = scenario("BasicSimulation")
    .exec(http("request_1")
      .get("/"))
    .pace(10 requestsPerSecond) // 设置每秒发送10个请求

  setUp(
    scn.inject(atOnceUsers(100)) // 同时启动100个用户
  ).protocols(httpProtocol)
}

val scn = scenario("DynamicPaceSimulation")
  .exec(http("request_1")
    .get("/"))
  .during(30 seconds) {
    pace(5 requestsPerSecond)
  }
  .during(30 seconds) {
    pace(15 requestsPerSecond)
  }