daemon: Release memory to OS on service reload

daemon/started_service.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"os"
 	"runtime"
+	runtimeDebug "runtime/debug"
 	"sync"
 	"time"
 
@@ -190,6 +191,7 @@ func (s *StartedService) StartOrReloadService(profileContent string, options *Ov
 		s.updateStatus(ServiceStatus_STOPPING)
 		s.serviceAccess.Unlock()
 		_ = oldInstance.Close()
+		runtimeDebug.FreeOSMemory()
 		s.serviceAccess.Lock()
 	}
 	s.updateStatus(ServiceStatus_STARTING)
@@ -216,7 +218,7 @@ func (s *StartedService) StartOrReloadService(profileContent string, options *Ov
 	s.startedAt = time.Now()
 	s.updateStatus(ServiceStatus_STARTED)
 	s.serviceAccess.Unlock()
-	runtime.GC()
+	runtimeDebug.FreeOSMemory()
 	return nil
 }
 
@@ -247,7 +249,7 @@ func (s *StartedService) CloseService() error {
 	s.startedAt = time.Time{}
 	s.updateStatus(ServiceStatus_IDLE)
 	s.serviceAccess.Unlock()
-	runtime.GC()
+	runtimeDebug.FreeOSMemory()
 	return nil
 }