carbon/app.go
func (app *App) ReloadConfig() error {
	app.Lock()
	defer app.Unlock()

	var err error
	if err = app.configure(); err != nil {
		return err
	}

	runtime.GOMAXPROCS(app.Config.Common.MaxCPU)

	app.Cache.SetMaxSize(app.Config.Cache.MaxSize)
	app.Cache.SetWriteStrategy(app.Config.Cache.WriteStrategy)
	app.Cache.SetTagsEnabled(app.Config.Tags.Enabled)

	if app.Persister != nil {
		app.Persister.Stop()
		app.Persister = nil
	}

	if app.Tags != nil {
		app.Tags.Stop()
		app.Tags = nil
	}

	app.startPersister()

	if app.Collector != nil {
		app.Collector.Stop()
		app.Collector = nil
	}

	app.Collector = NewCollector(app)

	return nil
}
func (app *App) ReloadConfig() error {
	app.Lock()
	defer app.Unlock()

	var err error
	if err = app.configure(); err != nil {
		return err
	}

	runtime.GOMAXPROCS(app.Config.Common.MaxCPU)

	app.Cache.SetMaxSize(app.Config.Cache.MaxSize)
	app.Cache.SetWriteStrategy(app.Config.Cache.WriteStrategy)
	app.Cache.SetTagsEnabled(app.Config.Tags.Enabled)

	if app.Persister != nil {
		app.Persister.Stop()
		app.Persister = nil
	}

	if app.Tags != nil {
		app.Tags.Stop()
		app.Tags = nil
	}

	app.startPersister()

	if app.Collector != nil {
		app.Collector.Stop()
		app.Collector = nil
	}

	app.Collector = NewCollector(app)

	return nil
}
// ReloadConfig reloads some settings from config