{"id":9484,"date":"2022-04-21T00:47:40","date_gmt":"2022-04-21T04:47:40","guid":{"rendered":"https:\/\/www.redline13.com\/blog\/?post_type=docs&p=9484"},"modified":"2022-12-12T12:03:26","modified_gmt":"2022-12-12T17:03:26","password":"","slug":"gatling-tests","status":"publish","type":"docs","link":"https:\/\/www.redline13.com\/blog\/docs\/gatling-tests\/","title":{"rendered":"Gatling Tests"},"content":{"rendered":"\n

One of the several test types available on RedLine13 extends the ability to scale out your Gatling<\/a> load tests in the cloud environment.<\/p>\n\n\n\n

Getting Started<\/h3>\n\n\n\n

To run a Gatling test on RedLine13, begin by logging into your account, clicking on \u201cStart Test<\/em>\u201c, and then navigating to the \u201cGatling<\/em>\u201d tab:<\/p>\n\n\n

\n
\"Selecting
Select \u201cGatling Test<\/em>\u201d from the available test types.<\/figcaption><\/figure>\n<\/div>\n\n\n

Running Your First Gatling Test<\/h3>\n\n\n\n

The first thing you will need to have prepared is Gatling<\/a> test plan. You can use the tools provided on the Gatling website to create this plan (e.g.<\/em>, by using their Recorder tool<\/a>, or by scripting the test yourself). Ultimately this will result in a Scala simulation file<\/a> (*.scl), which you will need to export and download. Once you have your prepared test plan file, you can then configure your test on RedLine13:<\/p>\n\n\n

\n
\"Uploading
Basic options when uploading your Gatling test plan.<\/figcaption><\/figure>\n<\/div>\n\n\n
    \n
  1. Upload your Scala simulation file (i.e.<\/em>, *.scl file).<\/li>\n\n\n\n
  2. Specify the number of load generator servers you wish to run your test from.<\/li>\n\n\n\n
  3. Select the version of Gatling that your test is configured to run (or accept the latest version as default).<\/li>\n\n\n\n
  4. Upload any attachments (e.g.<\/em>, CSV files) as \u201cExtra Files<\/a><\/em>\u201c.<\/li>\n\n\n\n
  5. Click on “Start Test<\/em>“.<\/li>\n<\/ol>\n\n\n\n

    Viewing Results for Your Test<\/h3>\n\n\n\n

    As your test begins, real time results will be displayed on the load test results page. These tables and graphs will update and finalize at the conclusion of your test. In addition to this, a test summary will be displayed after your test completes containing the most pertinent test information. Below is an example which is also covered in our documentation in more detail under \u201cTest Summary<\/a><\/em>\u201c:<\/p>\n\n\n

    \n
    \"RedLine13
    RedLine13 load test \u201cSummary<\/em>\u201d section. In this particular example, the calculation of percentiles<\/a><\/em> has been enabled.<\/figcaption><\/figure>\n<\/div>\n\n\n

    Field Descriptions<\/h3>\n\n\n\n
    Field<\/strong><\/td>Description<\/strong><\/td><\/tr>
    Scala Simulation<\/td>This is where you can upload your Scala simulation file containing your Gatling load test. If you are utilizing Maven, this field will also accept a compressed archive (*.tar<\/em>, *.tar<\/em>.gz<\/em>, and *.tgz<\/em> are supported).<\/td><\/tr>
    Number of Servers<\/td>This will be the number of load agents (i.e., servers in AWS running your test plan). Each server will run your test plan in parallel.<\/td><\/tr>
    Gatling Version<\/td>You can select the version of Gatling that your load test utilizes from this drop down.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    CSV Data and Compressed Archives in Extra Files<\/h3>\n\n\n\n

    Any custom load test supports extra files, with CSV files and compressed archive having special context. When a CSV file is uploaded, there is an option to \u201csplit<\/em>\u201d that file across all load generators. This works by dividing the file as evenly as possible (by whole line) with each load generator getting a different fragment of the file.<\/p>\n\n\n\n

    Compressed files (*.tar<\/em>, *.tar<\/em>.gz<\/em>, and *.tgz<\/em>) can either be uploaded in their compressed form, or marked to be expanded after being uploaded to each load generator.<\/p>\n\n\n\n

    Save Response Output and Calculate Percentiles<\/h3>\n\n\n\n

    You may notice a checkbox option when running your Gatling test that is labeled \u201cSave Response Output and Calculate Percentiles<\/em>\u201c. If you tick this box, our systems will collect and store log files for your test. In addition, we will also parse your load test data to calculate and display percentiles information.<\/p>\n\n\n

    \n
    \"Save
    Ticking this checkbox will enable the features described above for this load test.<\/figcaption><\/figure>\n<\/div>\n\n\n

    Advanced Cloud Options<\/h3>\n\n\n\n

    This section will be available when you have integrated with AWS<\/a>. Though AWS integration with RedLine13 is not required, it unlocks the greatest potential for scaling your load tests. The default instance size for load generators is m3.medium<\/em>, and if no other configuration changes are needed beyond AWS<\/a> defaults within your account this may suit your testing needs just fine. However you can fine tune load generator server type and properties to best match your test plan requirements. This will enable you to run your load test with maximal cost efficiency and also ensure that each load generator has the proper resources it needs to execute your test. A survey of the most pertinent advanced cloud options fields is as follows:<\/p>\n\n\n\n

    Field<\/strong><\/td>Description<\/strong><\/td><\/tr>
    Location<\/td>The options listed here correspond to AWS regions<\/a> where your load generators will originate from. This field is required (with the default being US-East-1<\/em>) however multiple regions can be configured for the same test, if desired.<\/td><\/tr>
    Number of Servers<\/td>This will be the number of load agents (i.e.<\/em>, servers in AWS running your test plan). Each server will run your test plan in parallel. If this setting is changed here, it will also be updated above under the general test options.<\/td><\/tr>
    Size<\/td>This is the AWS EC2<\/a> virtual machine size (with the default value being m3.medium<\/em>). You can select a larger or smaller instance size to adjust for required capability for your test.<\/td><\/tr>
    Disk Size<\/td>Each load generator is a virtual machine with a logical disk. The default disk size is 16GB<\/em> and depending on the requirements of your test you may need to increase this size.<\/td><\/tr>
    Subnet ID<\/td>If the load generator EC2 instance requires a subnet to be specified, you can select it from this drop down list.<\/td><\/tr>
    Security Group ID<\/td>If your test requires a custom security group to be specified, you can do so using this field.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Advanced Gatling Test Options<\/h3>\n\n\n\n

    Currently we support specifying an “Option String<\/em>” which will be passed to the command line when starting Gatling on your load agents. One common use case is to pass key-value pairs to your test (using the –Dkey<\/em>=value<\/em> convention).<\/p>\n\n\n\n

    Testing with Gatling-SBT Packages Executing Gatling Tests with The SBT + Java RedLine13 Plugin<\/a><\/p>\n\n\n\n

    Testing with Gatling-Maven Executing Gatling Test Using Maven<\/a><\/p>\n\n\n\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    One of the several test types available on RedLine13 extends the ability to scale out your Gatling load tests in the cloud environment. Getting Started To run a Gatling test on RedLine13, begin by logging into your account, clicking on \u201cStart Test\u201c, and then navigating to the \u201cGatling\u201d tab: Running Your First Gatling Test The first thing you will need to have prepared is Gatling test plan. You can use the tools provided on the GatlingRead More →<\/a><\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[579],"doc_tag":[],"class_list":{"0":"entry","1":"docs","2":"publish","3":"author-dkoziel","4":"post-9484","6":"doc_category-different-types-of-tests"},"year_month":"2026-05","word_count":926,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"David Koziel","author_nicename":"dkoziel","author_url":"https:\/\/www.redline13.com\/blog\/author\/dkoziel\/"},"doc_category_info":[{"term_name":"Different Types of Tests","term_url":"https:\/\/www.redline13.com\/blog\/docs-category\/different-types-of-tests\/"}],"doc_tag_info":[],"yoast_head":"\nGatling Tests - RedLine13<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.redline13.com\/blog\/docs\/gatling-tests\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gatling Tests - RedLine13\" \/>\n<meta property=\"og:description\" content=\"One of the several test types available on RedLine13 extends the ability to scale out your Gatling load tests in the cloud environment. Getting Started To run a Gatling test on RedLine13, begin by logging into your account, clicking on \u201cStart Test\u201c, and then navigating to the \u201cGatling\u201d tab: Running Your First Gatling Test The first thing you will need to have prepared is Gatling test plan. 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