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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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go.mod
+17 -12
View File
@@ -9,6 +9,7 @@ require (
github.com/go-logr/logr v1.4.3
github.com/grandcat/zeroconf v1.0.0
github.com/stretchr/testify v1.11.1
golang.design/x/clipboard v0.7.1
gopkg.in/yaml.v3 v3.0.1
k8s.io/api v0.34.2
k8s.io/apimachinery v0.34.2
@@ -32,23 +33,24 @@ require (
github.com/fxamacker/cbor/v2 v2.9.0 // indirect
github.com/go-openapi/jsonpointer v0.22.3 // indirect
github.com/go-openapi/jsonreference v0.21.3 // indirect
github.com/go-openapi/swag v0.25.3 // indirect
github.com/go-openapi/swag/cmdutils v0.25.3 // indirect
github.com/go-openapi/swag/conv v0.25.3 // indirect
github.com/go-openapi/swag/fileutils v0.25.3 // indirect
github.com/go-openapi/swag/jsonname v0.25.3 // indirect
github.com/go-openapi/swag/jsonutils v0.25.3 // indirect
github.com/go-openapi/swag/loading v0.25.3 // indirect
github.com/go-openapi/swag/mangling v0.25.3 // indirect
github.com/go-openapi/swag/netutils v0.25.3 // indirect
github.com/go-openapi/swag/stringutils v0.25.3 // indirect
github.com/go-openapi/swag/typeutils v0.25.3 // indirect
github.com/go-openapi/swag/yamlutils v0.25.3 // indirect
github.com/go-openapi/swag v0.25.4 // indirect
github.com/go-openapi/swag/cmdutils v0.25.4 // indirect
github.com/go-openapi/swag/conv v0.25.4 // indirect
github.com/go-openapi/swag/fileutils v0.25.4 // indirect
github.com/go-openapi/swag/jsonname v0.25.4 // indirect
github.com/go-openapi/swag/jsonutils v0.25.4 // indirect
github.com/go-openapi/swag/loading v0.25.4 // indirect
github.com/go-openapi/swag/mangling v0.25.4 // indirect
github.com/go-openapi/swag/netutils v0.25.4 // indirect
github.com/go-openapi/swag/stringutils v0.25.4 // indirect
github.com/go-openapi/swag/typeutils v0.25.4 // indirect
github.com/go-openapi/swag/yamlutils v0.25.4 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/google/gnostic-models v0.7.1 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/kr/text v0.2.0 // indirect
github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/mattn/go-localereader v0.0.1 // indirect
@@ -69,6 +71,9 @@ require (
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
go.yaml.in/yaml/v2 v2.4.3 // indirect
go.yaml.in/yaml/v3 v3.0.4 // indirect
golang.org/x/exp/shiny v0.0.0-20251125195548-87e1e737ad39 // indirect
golang.org/x/image v0.33.0 // indirect
golang.org/x/mobile v0.0.0-20251113184115-a159579294ab // indirect
golang.org/x/mod v0.30.0 // indirect
golang.org/x/net v0.47.0 // indirect
golang.org/x/oauth2 v0.33.0 // indirect