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http_bench

> 测试质量
Open source

golang HTTP stress testing tool, support single and distributed, http/1, http/2 and http/3.

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golang HTTP stress testing tool, support single and distributed, http/1, http/2 and http/3.

A HTTP/1, HTTP/2, HTTP/3, and WebSocket stress testing tool with single-node and distributed modes.

Global QPS limiting: -q is shared by all concurrent workers. http_bench is a lightweight load-testing tool for HTTP/1, HTTP/2, HTTP/3, and WebSocket, supporting single-node and distributed modes.

English Document
中文文档
Example

  • HTTP/1 stress testing
  • HTTP/2 stress testing
  • HTTP/3 stress testing
  • Websocket stress testing
  • Distributed stress testing
  • Support functions
  • Support variable
  • Dashboard
  • Stepping stress testing

Installation

NOTICE：go version >= 1.20

go get github.com/linkxzhou/http_bench

OR

git clone [email protected]:linkxzhou/http_bench.git
cd http_bench
go build .

Architecture

Example Usage

Example

Single URL Testing

# Basic GET request with 1000 requests and 10 concurrent connections
./http_bench -n 1000 -c 10 -m GET -url "http://127.0.0.1/test1"
./http_bench -n 1000 -c 10 -m GET "http://127.0.0.1/test1"

Testing with .http File (Multiple Requests)

# Run benchmark using requests from a .http file
./http_bench -n 1000 -c 10 -file requests.http

# Combine with duration parameter
./http_bench -d 10s -c 10 -file requests.http

HTTP/2 Testing

./http_bench -d 10s -c 10 -http http2 -m POST "http://127.0.0.1/test1" -body "{}"

HTTP/3 Testing

./http_bench -d 10s -c 10 -http http3 -m POST "http://127.0.0.1/test1" -body "{}"

WebSocket Testing

./http_bench -d 10s -c 10 -http ws "ws://127.0.0.1" -body "{}"

Distributed Stress Testing

# Step 1: Start worker instances on different machines
./http_bench -listen "127.0.0.1:12710" -verbose 1
./http_bench -listen "127.0.0.1:12711" -verbose 1

# Step 2: Run the controller to coordinate the test
./http_bench -c 1 -d 10s "http://127.0.0.1:18090/test1" -body "{}" -W "127.0.0.1:12710" -W "127.0.0.1:12711" -verbose 1

Refactor notes

See docs/REFACTOR_NOTES.md for the post-refactor module layout, key contracts, performance baselines, and the long-run benchmark scripts.

Command-line options

  • -n: exact total request count; -d: duration (for example 10s, 2m); when both are set, -d takes precedence — the test runs for the full duration.
  • -c: concurrency; -q: global requests-per-second limit shared by all workers.
  • -t: request timeout duration (for example 500ms, 2s), not an implicit millisecond integer.
  • -o: summary, csv, or html output format.
  • -insecure: skip TLS verification (default true for compatibility; use -insecure=false in production).
  • -listen: start the dashboard/worker API; worker endpoint is /api.
  • Worker responses contain a merged snapshot and per-worker success/failure details when dispatched by the controller.
  • -W: controller worker addresses; -H: repeatable request header; -file: load .http requests.
  • -verbose: log verbosity 0=TRACE, 1=DEBUG, 2=INFO, 3=WARN, 4=ERROR (default: 3).

Web Dashboard

# Step 1: Start the dashboard server
./http_bench -listen "127.0.0.1:12345" -verbose 1

# Step 2: Open the dashboard URL in your browser
# http://127.0.0.1:12345

The dashboard starts the benchmark asynchronously on the worker node and polls the /api worker endpoint for live metrics. It provides:

  • Real-time QPS and per-status-code curves with an adjustable refresh interval (default 2000 ms)
  • Summary cards: average latency, average QPS, fastest/slowest request, total errors
  • Latency distribution histogram and error distribution pie chart
  • One-click start/stop; the final metrics frame is rendered automatically when the run finishes
  • Chinese/English UI switching

Template Functions and Variables

HTTP Bench supports dynamic request generation using template functions. These can be used in both URL parameters and request bodies.

1. Integer Sum

Calculates the sum of multiple integers.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ intSum 1 2 3 4}}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ intSum 1 2 3 4 }}" -verbose 0

2. Random Integer

Generates a random integer between min and max values.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ random 1 100000}}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ random 1 100000 }}" -verbose 0

3. Random Date

Generates a random date string in the specified format.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ randomDate 'YMD' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ randomDate 'YMD' }}" -verbose 0

4. Random String

Generates a random alphanumeric string of specified length.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ randomString 10}}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ randomString 10 }}" -verbose 0

5. Random Number String

Generates a random numeric string of specified length.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ randomNum 10}}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ randomNum 10 }}" -verbose 0

6. Current Date

Outputs the current date in the specified format.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ date 'YMD' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ date 'YMD' }}" -verbose 0

7. UUID

Generates a UUID.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ UUID | escape }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ UUID }}" -verbose 0

8. String Escape

Escapes special characters in a string.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ UUID | escape }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ UUID | escape }}" -verbose 0

9. Hex to String

Converts a hexadecimal string to a regular string.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ hexToString '68656c6c6f20776f726c64' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ hexToString '68656c6c6f20776f726c64' }}" -verbose 0

10. String to Hex

Converts a string to its hexadecimal representation.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ stringToHex 'hello world' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ stringToHex 'hello world' }}" -verbose 0

11. To String

Converts a value to a quoted string.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ randomNum 10 | toString }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ randomNum 10 | toString }}" -verbose 0

12. Base64 Encode

Encodes a string to Base64 format.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ base64Encode 'hello world' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ base64Encode 'hello world' }}" -verbose 0

13. Base64 Decode

Decodes a Base64 encoded string.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ base64Decode 'aGVsbG8gd29ybGQ=' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ base64Decode 'aGVsbG8gd29ybGQ=' }}" -verbose 0

14. MD5 Hash

Generates MD5 hash of a string.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ md5 'hello world' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ md5 'hello world' }}" -verbose 0

15. SHA1 Hash

Generates SHA1 hash of a string.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ sha1 'hello world' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ sha1 'hello world' }}" -verbose 0

16. SHA256 Hash

Generates SHA256 hash of a string.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ sha256 'hello world' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ sha256 'hello world' }}" -verbose 0

17. HMAC Signature

Generates HMAC signature with specified hash algorithm.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ hmac 'secret_key' 'message' 'sha256' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ hmac 'secret_key' 'message' 'sha256' }}" -verbose 0

18. Random IP Address

Generates a random IP address.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ randomIP }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ randomIP }}" -verbose 0

19. Substring

Extracts a substring from a string.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ substring 'hello world' 0 5 }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ substring 'hello world' 0 5 }}" -verbose 0

20. String Replace

Replaces all occurrences of a substring with another string.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ replace 'hello world' 'world' 'golang' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ replace 'hello world' 'world' 'golang' }}" -verbose 0

21. Uppercase

Converts a string to uppercase.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ upper 'hello world' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ upper 'hello world' }}" -verbose 0

22. Lowercase

Converts a string to lowercase.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ lower 'HELLO WORLD' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ lower 'HELLO WORLD' }}" -verbose 0

23. Trim Whitespace

Removes leading and trailing whitespace from a string.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ trim '  hello world  ' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ trim '  hello world  ' }}" -verbose 0

24. Random Choice

Randomly selects one item from multiple options.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ randomChoice 'apple' 'banana' 'cherry' }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ randomChoice 'apple' 'banana' 'cherry' }}" -verbose 0

25. Random Float

Generates a random floating-point number between min and max values.

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ randomFloat 1.5 10.5 }}" -verbose 0

# Request body
./http_bench -c 1 -n 1 "https://127.0.0.1:18090" -body "data={{ randomFloat 1.5 10.5 }}" -verbose 0

26. Random Boolean

Generates a random boolean value (true or false).

# URL parameter
./http_bench -c 1 -n 1 "https://127.0.0.1:18090?data={{ randomBoolean }}" -verbose

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> Tags

Gobenchmarkdistributedgolanghttp1

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> Details

PublishedAug 1, 2026
UpdatedSep 17, 2026
Category测试质量
PricingOpen source

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