nakabonne/ali
Ali
Ali is an HTTP load testing tool and traffic generator used to measure system performance and stability by sending high volumes of requests to a target URL. It functions as a performance metrics exporter and real-time visualizer, simulating client behavior through configurable request bodies, custom headers, and HTTP/2 support.
The project provides real-time performance monitoring via interactive charts that plot latency and request percentiles as data is collected. It identifies system bottlenecks through a combination of live performance plotting and the exportation of raw data points and aggregated summaries to files for post-test analysis.
The tool covers broad capabilities in traffic management, including the control of network behaviors such as keep-alive connections and request timeout settings. It further supports API stress testing through parameter-driven configurations of HTTP methods and payloads.
Features
- HTTP Load Testing - Generates high volumes of web traffic to a target URL to evaluate system stability and performance.
- Real-time Visualizations - Offers interactive charts that plot latency and percentiles as HTTP load test data is collected.
- HTTP Request Configurations - Allows definition of HTTP methods, headers, and payloads via configuration objects before initiating load.
- Real-time Performance Monitoring - Visualizes live latency and request percentiles on interactive charts during active load tests.
- HTTP Traffic Simulation - Simulates client behavior using configurable request bodies, custom headers, and HTTP/2 support.
- Request Parameter Configurations - Defines HTTP methods, custom headers, and request bodies to simulate specific client behaviors.
- HTTP Stress Testing Tools - Identifies breaking points in web services by sending custom HTTP requests with specific headers and bodies.
- High-Volume Request Generators - Spawns multiple simultaneous workers to send high-volume HTTP requests for performance testing.
- Analysis Result Exporters - Saves raw performance data and aggregated summaries to files for offline processing.
- General Chart Renderers - Provides real-time latency and percentile graphs that update dynamically as data arrives.
- Performance Metric Aggregators - Implements background calculation of performance percentiles and request counts during active load tests.
- Test Result Persistence - Serializes raw performance data and summary statistics to files for post-test auditing and analysis.
- Connection Parameter Controls - Manages HTTP/2 support, keep-alive connections, and request timeout settings for precise control.
- Protocol Behavior Simulation - Controls HTTP/2 and keep-alive settings to evaluate how different connection types affect server performance.
- Performance Metrics Exporters - Exposes raw data points and aggregated summaries from load tests for downstream analysis.
- Performance Analysis - Combines real-time plotting and raw data export to identify system slowdowns under heavy traffic.
- Load Testing Tools - Generate HTTP load and plot results in real-time.
Star history
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