114 lines
4.1 KiB
Markdown
114 lines
4.1 KiB
Markdown
# plow
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Plow is a HTTP(S) benchmarking tool, written in Golang. It uses excellent [fasthttp](https://github.com/valyala/fasthttp#http-client-comparison-with-nethttp) instead of Go's default net/http due to its lightning fast performance.
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Plow runs at a specified connections(`-c`) concurrently and **real-time** records a summary statistics, histogram of execution time and calculates percentiles to display on Web UI and terminal. It can run for a set duration(`-d`), for a fixed number of requests(`-n`), or until Ctrl-C interrupted.
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The implementation of real-time computing Histograms and Quantiles using stream-based algorithms inspired by [prometheus](https://github.com/prometheus/client_golang) with low memory and CPU bounds. so it's almost no additional performance overhead for benchmarking.
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```text
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❯ ./plow http://127.0.0.1:8080/hello -c 20
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Benchmarking http://127.0.0.1:8080/hello using 20 connection(s).
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> Real-time charts is listening on http://127.0.0.1:18888/
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Summary:
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Elapsed 8.6s
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Count 969657
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2xx 776392
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4xx 193265
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RPS 112741.713
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Reads 10.192MB/s
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Writes 6.774MB/s
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Statistics Min Mean StdDev Max
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Latency 32µs 176µs 37µs 1.839ms
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RPS 108558.4 112818.12 2456.63 115949.98
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Latency Percentile:
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P50 P75 P90 P95 P99 P99.9 P99.99
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173µs 198µs 222µs 238µs 274µs 352µs 498µs
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Latency Histogram:
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141µs 273028 ■■■■■■■■■■■■■■■■■■■■■■■■
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177µs 458955 ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■
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209µs 204717 ■■■■■■■■■■■■■■■■■■
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235µs 26146 ■■
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269µs 6029 ■
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320µs 721
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403µs 58
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524µs 3
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```
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## Installation
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Binary and image distributions are available through the [releases](https://github.com/six-ddc/plow/releases) assets page.
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### Via Go
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```bash
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go get github.com/six-ddc/plow
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```
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### Via Homebrew
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*Coming soon*
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## Usage
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### Options
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```bash
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usage: plow [<flags>] <url>
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A high-performance HTTP benchmarking tool with real-time web UI and terminal displaying
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Example:
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plow http://127.0.0.1:8080/ -c 20 -n 100000
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plow https://httpbin.org/post -c 20 -d 5m --body @file.json -T 'application/json' -m POST
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Flags:
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--help Show context-sensitive help.
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-c, --concurrency=1 Number of connections to run concurrently
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-n, --requests=-1 Number of requests to run
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-d, --duration=DURATION Duration of test, examples: -d 10s -d 3m
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-i, --interval=200ms Print snapshot result every interval, use 0 to print once at the end
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--seconds Use seconds as time unit to print
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--body=BODY HTTP request body, if start the body with @, the rest should be a filename to read
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--stream Specify whether to stream file specified by '--body @file' using chunked encoding or to read into memory
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-m, --method="GET" HTTP method
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-H, --header=K:V ... Custom HTTP headers
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--host=HOST Host header
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-T, --content=CONTENT Content-Type header
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--listen=":18888" Listen addr to serve Web UI
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--link="127.0.0.1:18888" Link addr used for show Web html and request backend server
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--timeout=DURATION Timeout for each http request
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--dial-timeout=DURATION Timeout for dial addr
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--req-timeout=DURATION Timeout for full request writing
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--resp-timeout=DURATION Timeout for full response reading
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--socks5=ip:port Socks5 proxy
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--version Show application version.
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Args:
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<url> request url
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```
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### Examples
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Basic usage:
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```bash
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plow http://127.0.0.1:8080/ -c 20 -n 10000 -d 10s
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```
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POST a json file:
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```bash
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plow http://127.0.0.1:8080/ -c 20 --body @file.json -T 'application/json' -m POST
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```
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### License
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See [LICENSE](https://github.com/six-ddc/plow/blob/master/LICENSE).
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