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wrk load testing tool node wrapper

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# node-wrk

Prepare command line arguments and parse the output of the
[wrk](https://github.com/wg/wrk) load testing tool

# example

``` js
var wrk = require('wrk');

var conns = 1;
var results = [];

- `threads`
  - `connections`
  - `duration`
  - `printLatency`
  - `headers`: object with additional request headers
  - `url`: target url
  - `path`: path to wrk binary (default is "wrk")
  - `debug`: print the output of `wrk` to stdout
  - `execOptions`: options that will be directly passed through to the `child_process.exec` of wrk

Callback parameters: (err, wrkResults)

wrkResults always has:
  - transferPerSec
  - requestsPerSec
  - requestsTotal
  - durationActual
  - transferTotal
  - latencyAvg
  - latencyStdev
  - latencyStdevPerc
  - latencyMax
  - rpsAvg
  - rpsMax
  - rpsStdev
  - rpsStdevPerc

Has these if `printLatency` is enabled
  - latency50
  - latency75
  - latency90
  - latency99

And sometimes has (only if they exist):
  - connectErrors
  - readErrors
  - writeErrors
  - timeoutErrors
  - non2xx3xx

# install

With [npm](https://npmjs.org) do:

```
npm install wrk
```

# see also
[HTTPerf.js](https://github.com/jmervine/httperfjs)

# license

MIT

node-wrk

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