docker-wrk's Introduction

Docker-Wrk

Summary

Repository name in GitHub Container Registry (new): ghcr.io/william-yeh/wrk and in Docker Hub (old): williamyeh/wrk

This repository contains Dockerized wrk, published to the public container registry via automated build mechanism.

Configuration

This docker image contains the following software stack:

Distroless debian 11
Basic libgcc stuff.
wrk

Total image size is less than 30 MB.

Dependencies

gcr.io/distroless/cc-debian11.

History

4.2.0 - Change base image from williamyeh/ansible:mini-alpine3 to gcr.io/distroless/cc-debian11.
4.0.2 - Change base image from scratch to williamyeh/ansible:mini-alpine3 (beginning from williamyeh/wrk:4.0.2).
4.0.1 - Change base image from debian:jessie to scratch (beginning from williamyeh/wrk:4.0.1).
1.2 - Add: demo screencast.
1.1 - Add: VOLUME /data for Lua script file.
1.0 - Initial release.

Installation

Pull all versions:

$ docker pull ghcr.io/william-yeh/wrk:latest

Pull specific version:

$ docker pull ghcr.io/william-yeh/wrk:4.2.0

Comparison

See the following screencast for a simple comparison between native vs. Dockerized versions of wrk: http://youtu.be/bXF6blDP0s0

Usage

Show usage

$ docker run --rm ghcr.io/william-yeh/wrk

Script example

$ docker run --rm  -v `pwd`:/data  \
      ghcr.io/william-yeh/wrk      \
      -s script.lua  http://www.google.com/

More examples

Digital Ocean has a great introduction to this utility: How To Benchmark HTTP Latency with wrk on Ubuntu 14.04

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docker-wrk's Issues

in pipeline mode there is no latency information

When this tool is used with pipeline logic (i.e.: read all url then send everything at once), latency information is 0.

Data Dir

Hi I think this is probably more of a docker question, but I don't know much about it and it may be in your domain. The -v flag used when looking at scripts is using the pwd:/data dir. I am using my lua script to write something out and it works, my question is how and why?

I do not have a data directory and I only specify output in the lua script itself. So how does wrk know where to find the file and where to write the results?

EXAMPLE:

My PWD is -> users/mcale/Desktop/lua

The script is located at -> users/mcale/Desktop/lua/reportCreator.lua

The command I run is ->
docker run --rm -vpwd:/data williamyeh/wrk -c5 -s reportCreator.lua http://test.mycustomurl.com/

This does not work unless I specify the non-existent :/data dir

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william-yeh / docker-wrk Goto Github PK