[I] [Improve][SDK] Delete redundant default case in the discoverer of Golang SDK [inlong]

["gunli (via GitHub)" <gi...@apache.org>]

gunli opened a new issue, #11709:
URL: https://github.com/apache/inlong/issues/11709

   ### Description
   
   ```go
   func (d *dataProxyDiscoverer) update() {
   	wg := sync.WaitGroup{}
   	ticker := time.NewTicker(d.lookupInterval)
   	stopCh := make(chan struct{})
   	wg.Add(1)
   	go func() {
   		defer wg.Done()
   		for {
   			select {
   			case <-ticker.C:
   				d.lookup()
   			case <-stopCh:
   				return
   			default:
   				time.Sleep(500 * time.Millisecond)
   			}
   		}
   	}()
   
   	d.closeFunc = func() {
   		ticker.Stop()
   		close(stopCh)
   		wg.Wait()
   	}
   }
   
   func (d *dnsDiscoverer) update() {
   	wg := sync.WaitGroup{}
   	ticker := time.NewTicker(d.lookupInterval)
   	stopCh := make(chan struct{})
   
   	wg.Add(1)
   	go func() {
   		defer wg.Done()
   		for {
   			select {
   			case <-ticker.C:
   				d.lookup()
   			case <-stopCh:
   				return
   			default:
   				time.Sleep(500 * time.Millisecond)
   			}
   		}
   	}()
   
   	d.closeFunc = func() {
   		ticker.Stop()
   		close(stopCh)
   		wg.Wait()
   	}
   }
   ```
   
   The default cases in these 2 methods are redundant, they will increase the CPU usage, they should delete.
   
   ### InLong Component
   
   InLong SDK
   
   ### Are you willing to submit PR?
   
   - [x] Yes, I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [x] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)
   


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Re: [I] [Improve][SDK] Delete redundant default case in the discoverer of Golang SDK [inlong]

["dockerzhang (via GitHub)" <gi...@apache.org>]

dockerzhang closed issue #11709: [Improve][SDK] Delete redundant default case in the discoverer of Golang SDK
URL: https://github.com/apache/inlong/issues/11709


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