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https://github.com/rakyll/hey

HTTP load generator, ApacheBench (ab) replacement
https://github.com/rakyll/hey

Last synced: 6 days ago
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HTTP load generator, ApacheBench (ab) replacement

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README 

        
![hey](http://i.imgur.com/szzD9q0.png)



[![Build Status](https://travis-ci.org/rakyll/hey.svg?branch=master)](https://travis-ci.org/rakyll/hey)



hey is a tiny program that sends some load to a web application.



hey was originally called boom and was influenced from Tarek Ziade's

tool at [tarekziade/boom](https://github.com/tarekziade/boom). Using the same name was a mistake as it resulted in cases

where binary name conflicts created confusion.

To preserve the name for its original owner, we renamed this project to hey.



## Installation



* Linux 64-bit: https://hey-release.s3.us-east-2.amazonaws.com/hey_linux_amd64

* Mac 64-bit: https://hey-release.s3.us-east-2.amazonaws.com/hey_darwin_amd64

* Windows 64-bit: https://hey-release.s3.us-east-2.amazonaws.com/hey_windows_amd64



### Package Managers



macOS:

-  [Homebrew](https://brew.sh/) users can use `brew install hey`.



## Usage



hey runs provided number of requests in the provided concurrency level and prints stats.



It also supports HTTP2 endpoints.



```

Usage: hey [options...] 



Options:

  -n  Number of requests to run. Default is 200.

  -c  Number of workers to run concurrently. Total number of requests cannot

      be smaller than the concurrency level. Default is 50.

  -q  Rate limit, in queries per second (QPS) per worker. Default is no rate limit.

  -z  Duration of application to send requests. When duration is reached,

      application stops and exits. If duration is specified, n is ignored.

      Examples: -z 10s -z 3m.

  -o  Output type. If none provided, a summary is printed.

      "csv" is the only supported alternative. Dumps the response

      metrics in comma-separated values format.



  -m  HTTP method, one of GET, POST, PUT, DELETE, HEAD, OPTIONS.

  -H  Custom HTTP header. You can specify as many as needed by repeating the flag.

      For example, -H "Accept: text/html" -H "Content-Type: application/xml" .

  -t  Timeout for each request in seconds. Default is 20, use 0 for infinite.

  -A  HTTP Accept header.

  -d  HTTP request body.

  -D  HTTP request body from file. For example, /home/user/file.txt or ./file.txt.

  -T  Content-type, defaults to "text/html".

  -a  Basic authentication, username:password.

  -x  HTTP Proxy address as host:port.

  -h2 Enable HTTP/2.



  -host	HTTP Host header.



  -disable-compression  Disable compression.

  -disable-keepalive    Disable keep-alive, prevents re-use of TCP

                        connections between different HTTP requests.

  -disable-redirects    Disable following of HTTP redirects

  -cpus                 Number of used cpu cores.

                        (default for current machine is 8 cores)

```



Previously known as [github.com/rakyll/boom](https://github.com/rakyll/boom).