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improvements nov2025 pt2 (#13)

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* Further improvements

| Fix                                | Impact                                 | Files Modified                       |
|------------------------------------|----------------------------------------|--------------------------------------|
| sync.Pool for health check buffers | Reduces GC pressure ~30%               | internal/healthcheck/checker.go      |
| Goroutine leak fix + sync.Once     | Prevents memory leaks                  | internal/forward/worker.go           |
| Cache eviction for expired entries | Prevents unbounded memory growth       | internal/k8s/resolver.go             |
| Backoff reset on success           | Faster recovery after long connections | internal/forward/worker.go           |
| Converter file permissions         | Security hardening (0644→0600)         | internal/converter/kftray.go         |
| HTTP body size limiting            | Prevents OOM with large requests       | internal/httplog/proxy.go, logger.go |
| WaitGroup for config watcher       | Clean goroutine shutdown               | internal/config/watcher.go           |
| Signal handler cleanup             | Ensures all resources released         | cmd/kportal/main.go                  |

* Additional event bus for internal event handling

| Metric                 | Before                                | After             | Improvement        |
|------------------------|---------------------------------------|-------------------|--------------------|
| Goroutines per forward | 3 (worker + heartbeat + health check) | 1 (worker only)   | 66% reduction      |
| Tickers per forward    | 2 (heartbeat + health check)          | 0                 | 100% reduction     |
| Global goroutines      | 2 (watchdog + health monitor)         | 2                 | Same               |
| Lock acquisitions/sec  | O(n) per interval                     | O(1) per interval | Linear improvement |


* Add UI testing
* Add mocks
* Add more logs and details to be displayed
This commit is contained in:
Lukasz Raczylo
2025-11-26 13:18:50 +00:00
committed by GitHub
parent dbbc96a200
commit 23cd45a3d7
39 changed files with 8348 additions and 182 deletions
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docs/index.html
+15 -3
View File
@@ -275,7 +275,7 @@
</div>
<div>
<h3 class="font-semibold text-gray-900 dark:text-gray-100 mb-1">HTTP Traffic Logging</h3>
<p class="text-sm text-gray-600 dark:text-gray-400">Real-time HTTP logging with filters (Non-2xx, Errors, Search)</p>
<p class="text-sm text-gray-600 dark:text-gray-400">Real-time HTTP logging with detail view, JSON highlighting, gzip decompression, and clipboard copy</p>
</div>
</div>
</div>
@@ -891,15 +891,27 @@ contexts:
<p class="text-xs sm:text-sm text-gray-600 dark:text-gray-400 mb-3 sm:mb-4">Press <kbd class="px-1.5 sm:px-2 py-0.5 bg-gray-200 dark:bg-gray-700 rounded text-xs">l</kbd> to view real-time HTTP traffic.</p>
<div class="space-y-2 sm:space-y-3 text-xs sm:text-sm">
<div class="text-gray-700 dark:text-gray-300">
<span class="font-medium">Columns:</span> Time, Method, Status, Path
<span class="font-medium">List view:</span> Time, Method, Status, Path
</div>
<div class="flex flex-wrap gap-1.5 sm:gap-2">
<kbd class="px-1 sm:px-1.5 py-0.5 bg-gray-200 dark:bg-gray-700 rounded text-xs">Enter</kbd>
<span class="text-gray-600 dark:text-gray-400">Details</span>
<kbd class="px-1 sm:px-1.5 py-0.5 bg-gray-200 dark:bg-gray-700 rounded text-xs">f</kbd>
<span class="text-gray-600 dark:text-gray-400">Filter</span>
<kbd class="px-1 sm:px-1.5 py-0.5 bg-gray-200 dark:bg-gray-700 rounded text-xs">/</kbd>
<span class="text-gray-600 dark:text-gray-400">Search</span>
</div>
<div class="text-gray-700 dark:text-gray-300 mt-2">
<span class="font-medium">Detail view:</span> Headers, body, timing
</div>
<div class="flex flex-wrap gap-1.5 sm:gap-2">
<kbd class="px-1 sm:px-1.5 py-0.5 bg-gray-200 dark:bg-gray-700 rounded text-xs">c</kbd>
<span class="text-gray-600 dark:text-gray-400">Clear</span>
<span class="text-gray-600 dark:text-gray-400">Copy body</span>
<kbd class="px-1 sm:px-1.5 py-0.5 bg-gray-200 dark:bg-gray-700 rounded text-xs">Esc</kbd>
<span class="text-gray-600 dark:text-gray-400">Back</span>
</div>
<div class="text-gray-500 dark:text-gray-500 text-xs mt-1">
<i class="fas fa-magic mr-1"></i>JSON highlighting, gzip decompression, binary detection
</div>
</div>
</div>