Lambda Loadtester

This package runs load tests against Lambda functions.

Installation

Install using npm:

npm install lambda-loadtester

Create a file aws-config.json in the project root directory, which should contain your AWS credentials and target region:

{
    "accessKeyId": "AKIA...",
    "secretAccessKey": "...",
    "region": "eu-west-3"
}

Run Test

To run your first test:

node bin/run.js --endpoint [name] --body "{}"

The following options are available:

--endpoint [name]

The function to invoke, mandatory.

--number [n]

Number of total invocations to run, default 1.

--concurrency [c]

Number of parallel invocations on the fly, default 1.

--body [body]

The payload to send to the lambda function. No default.

--file [path]

Path to a file that contains a JSON document to send as the body.

Invocation

The Lambda function is invoked as many times as the parameter --number [n].

When --concurrency c is specified, there will be at most c invocations in flight at the same time.

Results

For every variable in the result it is shown: total number of values, average and standard deviation.

Acnowledgements

(C) 2020 Alex Fernández.

Licensed under the MIT license.