What is Gatling and how do I use it for performance testing?

What is Gatling and how do I use it for performance testing?

Gatling is an open-source load testing tool designed for ease of use and high performance. You can use it to simulate user traffic and analyze the performance of your web applications.

How do I install Gatling?

You can install Gatling by downloading it from the official website. Unzip the downloaded file and navigate to the bin directory to run Gatling.

Can you show me a simple example of a Gatling test script?

Sure! Here's a basic example:

import io.gatling.core.Predef._
import io.gatling.http.Predef._

val httpProtocol = http.baseUrl("http://example.com")

val scn = scenario("BasicSimulation")
  .exec(http("request_1").get("/"))

setUp(scn.inject(atOnceUsers(10))).protocols(httpProtocol)

What metrics can I gather from a Gatling test?

Gatling provides various metrics such as response time, throughput, error rates, and more, which help you analyze the performance of your application.