go-wrk - a HTTP benchmarking tool based in spirit on the excellent wrk tool (https://github.com/wg/wrk)

Overview

go-wrk - an HTTP benchmarking tool

go-wrk is a modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU. It builds on go language go routines and scheduler for behind the scenes async IO and concurrency.

It was created mostly to examine go language (http://golang.org) performance and verbosity compared to C (the language wrk was written in. See - https://github.com/wg/wrk).
It turns out that it is just as good in terms of throughput! And with a lot less code.

The majority of go-wrk is the product of one afternoon, and its quality is comparable to wrk.

Building

go get github.com/tsliwowicz/go-wrk  

This will download and compile go-wrk. The binary will be placed under your $GOPATH/bin directory

Command line parameters (./go-wrk -help)

   Usage: go-wrk <options> <url>
   Options:
    -H 	 header line, joined with ';' (Default )
    -M 	 HTTP method (Default GET)
    -T 	 Socket/request timeout in ms (Default 1000)
    -body 	 request body string or @filename (Default )
    -c 	 Number of goroutines to use (concurrent connections) (Default 10)
    -ca 	 CA file to verify peer against (SSL/TLS) (Default )
    -cert 	 CA certificate file to verify peer against (SSL/TLS) (Default )
    -d 	 Duration of test in seconds (Default 10)
    -f 	 Playback file name (Default <empty>)
    -help 	 Print help (Default false)
    -host 	 Host Header (Default )
    -http 	 Use HTTP/2 (Default true)
    -key 	 Private key file name (SSL/TLS (Default )
    -no-c 	 Disable Compression - Prevents sending the "Accept-Encoding: gzip" header (Default false)
    -no-ka 	 Disable KeepAlive - prevents re-use of TCP connections between different HTTP requests (Default false)
    -redir 	 Allow Redirects (Default false)
    -v 	 Print version details (Default false)

Basic Usage

./go-wrk -c 80 -d 5  http://192.168.1.118:8080/json

This runs a benchmark for 5 seconds, using 80 go routines (connections)

Output:

Running 10s test @ http://192.168.1.118:8080/json  
  80 goroutine(s) running concurrently  
   142470 requests in 4.949028953s, 19.57MB read  
     Requests/sec:		28787.47  
     Transfer/sec:		3.95MB  
     Avg Req Time:		0.0347ms  
     Fastest Request:	0.0340ms  
     Slowest Request:	0.0421ms  
     Number of Errors:	0  

Benchmarking Tips

The machine running go-wrk must have a sufficient number of ephemeral ports available and closed sockets should be recycled quickly. To handle the initial connection burst the server's listen(2) backlog should be greater than the number of concurrent connections being tested.

Acknowledgements

golang is awesome. I did not need anything but this to create go-wrk.
I fully credit the wrk project (https://github.com/wg/wrk) for the inspiration and even parts of this text.
I also used similar command line arguments format and output format.

Issues
  • Allow -body to be a folder of .json files

    Allow -body to be a folder of .json files

    • Use case:
    1. Randomize the payload when firing off requests
    • Proposal:
    1. Pass in folder name by denoting a # at the beginning of the body
    2. .json files in the folder will be added to a file array
    3. When making the requests, go-wrk will randomly choose one of the .json files
    opened by ATLUSio 2
  • -f option

    -f option

    Does the -f option call a file with a list of URLs ? If so, can you provide an brief description on how to use the file. As well as an example showing the format of the file ?

    I tried using a conventional URL, and go-wrk complained.

    http://www.abc.com/

    opened by jp557198 2
  • Add header line support

    Add header line support

    Add header line support in request for setting things like Content-Type, Content-Language, etc. Multiple headers are joined with semicolon.

    Change the original -H flag to -host, and use the -H as header flag

    Update the READEME.md about the changed flag

    opened by iketheadore 2
  • How to send post data value in go-wrk command?

    How to send post data value in go-wrk command?

    curl -X POST -d'{"accountID":"1"}' localhost:1234/getInfo How am I supposed to send accountID value in go-wrk command for a post request

    opened by kumaranvpl 2
  • go.mod contains replace directives

    go.mod contains replace directives

    go.mod with replace directives give this warning:

    $ go install github.com/tsliwowicz/[email protected]
    go: downloading github.com/tsliwowicz/go-wrk v0.0.0-20210628064207-cc6865c14ec7
    go: github.com/tsliwowicz/[email protected] (in github.com/tsliwowicz/[email protected]):
    	The go.mod file for the module providing named packages contains one or
    	more replace directives. It must not contain directives that would cause
    	it to be interpreted differently than if it were the main module.
    $
    

    I removed the replace directives and it did work nicely.

    opened by udhos 1
  • ability to pass mulitple -H options for headers

    ability to pass mulitple -H options for headers

    This way we can pass cookie headers where ; is contained in header value, as we are no longer splitting on any special character.

    fixes issue https://github.com/tsliwowicz/go-wrk/issues/14

    opened by elodani 1
  • Skip verifying server certificate option

    Skip verifying server certificate option

    For testing locally it's convenient to disable SSL certificates validation. To avoid errors:

    An error occured doing request Post "https://127.0.0.3/f": x509: cannot validate certificate for 127.0.0.3 because it doesn't contain any IP SANs

    so I added an option -no-vr to disable sertificate validation. By default it's enabled

    opened by pin2t 1
  • Doesn't support post data?

    Doesn't support post data?

    The command line has a "-body" parameter, yet the code seems doesn't attach the data to the HTTP request: image

    req only attaches some header lines before got sent. So is this sth that haven't implemented?

    opened by ppLorins 1
  • bug in header when passing value key1: key2

    bug in header when passing value key1: key2

    go-wrk -H "Authorization: Basic key1:key2"

    this will bugar because it is doing split with ":" if the header has another ":" error will occur. this will bugar because it is doing split with ":" if the header has another ":" error will occur. Picking up only Key1

    received status code 401 from map[Date:[Fr ....

    opened by jeffotoni 1
  • ";" in header value

    If there are two or more cookie value in "Cookie", their delimiter is ";". "Accept-Language", "User-Agent" might contains ";" too. So, when there are multiple headers in -H, these headers raise a panic error. Example headers are: ` Cookie: _ga=GA1.1.1691826; io=wSaVgyAsiDtAAAd; sbs=kQzmcq4t;

    Accept-Language: zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-CN;q=0.6,fr;q=0.5,ja;q=0.4

    User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) Safari/537.36 `

    opened by iapyeh 0
  • Add header line support

    Add header line support

    Add header line support in request for setting things like Content-Type, Content-Language, etc. Multiple headers are joined with semicolon.

    Change the original -H flag to -host, and use the -H as header flag.

    opened by iketheadore 0
Owner
Tal Sliwowicz
Tal Sliwowicz
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