# ExBench

[![CI status](https://travis-ci.org/bryanhuntesl/ex_bench.svg?branch=master)](https://travis-ci.org/bryanhuntesl/ex_bench) / [Hexdocs](https://hexdocs.pm/ex_bench/)

An application for white box load testing 

## Default configuration (dev running standalone)

[config/dev.exs](config/dev.exs)
```elixir 
config :ex_bench,
  workers: 10,
  overflow: 2,
  concurrency: 3,
  bench_fun: fn x -> IO.inspect(x) end,
  producer: ExBench.FileProducer,
  producer_argument: %{filename: "priv/example.consult"}
```

## Application design / Supervision structure

![Supervision hierarchy](./doc/exbench_supervision_tree.png)

## Supported Elixir/OTP versions 

See [travis build](https://travis-ci.org/bryanhuntesl/ex_bench) for definitive, up-to-date, test matrix.

|Elixir|  OTP |
|------|------|
| 1.6  | 19   |
| 1.6  | 20.3 |
| 1.6  | 21   |
| 1.7  | 19   |
| 1.7  | 20.3 |
| 1.7  | 21   |
| 1.7  | 22   |
| 1.8.1| 20.3 |
| 1.8.1| 21   |
| 1.8.1| 22   |
| 1.9.0| 20.3 |
| 1.9.0| 21   |
| 1.9.0| 22   |
|------|------|


## Tricks

### Make a bigger input arguments file

```bash
for i in `seq 1 10000` ;  do echo "{test1,{\"$i\", <<7,166>>, #{},[],false, #{<<\"x\">> => <<\"y\">>}}}." ; done >> test/consult.me
```