v1.1.0 - Adaptive Load Discovery

What's New

🔍 Adaptive Load Discovery (kar discover)

Automatically find the maximum sustainable TPS for your system using binary search algorithm.

# Interactive mode
kar discover

# Headless mode
kar discover --url http://localhost:8080/health --headless

Features:

• Binary search algorithm for efficient TPS discovery
• Configurable P95 latency and error rate thresholds
• Generates recommended BaseTPS and MaxTPS settings
• Interactive TUI and headless mode support

⚙️ Updated Default Values

• Spike interval: 10s → 2m (less frequent spikes)
• Spike factor: 3.0x → 2.0x (less intense)
• Noise amplitude: 15% → 10%

Full Changelog

• feat: add adaptive load discovery command
• fix: discovery sends real traffic and collects actual metrics
• docs: add kar discover documentation (en/kr)

What's Changed

• feat: add spike interval and manual spike trigger by @rlaope in #16
• deps: bump github.com/spf13/cobra from 1.8.0 to 1.10.2 by @dependabot[bot] in #18
• deps: bump google.golang.org/grpc from 1.63.2 to 1.78.0 by @dependabot[bot] in #17
• docker: bump golang from 1.24-alpine to 1.25-alpine by @dependabot[bot] in #19
• feat: add adaptive load discovery command (kar discover) by @rlaope in #20

Full Changelog: v1.0.1...v1.1.0

Full Changelog: v1.0.1...v1.1.0

Full Changelog: v1.0.1...v1.1.0

v1.0.1

What's New

Features

• Test Report Screen - Detailed statistics after test completion
• Latency Distribution - Min, Avg, Max, P50, P95, P99 metrics
• Timeline Summary - 5-second interval breakdown with spike detection
• Real-time Logging - kar logs -f for live event monitoring
• Graceful Shutdown - kar stop command to stop running tests

Improvements

• ASCII-compatible progress bars and spinners (no more broken characters)
• Detailed config field descriptions with practical examples
• Updated documentation (EN/KR)

Bug Fixes

• Fixed panic on report screen (strings: negative Repeat count)
• Fixed kar logs -f showing nothing
• Fixed kar stop not working properly
• Reduced spike frequency to ~6% (was too high at 25%)

Commands

Command	Description
kar start	Launch interactive TUI
kar run --config <file>	Run headless with config file
kar stop	Stop running kar instance
kar logs -f	Follow logs in real-time
kar version	Show version info

What's Changed

• fix: resolve panic in report screen and improve CLI consistency by @rlaope in #13

New Contributors

• @rlaope made their first contribution in #13

Full Changelog: v1.0.0...v1.0.1

Full Changelog: v1.0.0...v1.0.1

Full Changelog: v1.0.0...v1.0.1

v1.0.0

What's Changed

• ci: bump codecov/codecov-action from 4 to 5 by @dependabot[bot] in #1
• deps: bump github.com/charmbracelet/bubbles from 0.18.0 to 0.21.0 by @dependabot[bot] in #2
• docker: bump alpine from 3.19 to 3.23 by @dependabot[bot] in #4
• ci: bump docker/build-push-action from 5 to 6 by @dependabot[bot] in #6
• ci: bump softprops/action-gh-release from 1 to 2 by @dependabot[bot] in #10
• docker: bump golang from 1.22-alpine to 1.25-alpine by @dependabot[bot] in #12

New Contributors

• @dependabot[bot] made their first contribution in #1

Full Changelog: https://github.com/rlaope/kar98k/commits/v1.0.0

Full Changelog: https://github.com/rlaope/kar98k/commits/v1.0.0

Full Changelog: https://github.com/rlaope/kar98k/commits/v1.0.0