improve(triggerFlag): adjust triggerFlag calculation chance

api/src/main/java/com/alibaba/nacos/api/naming/pojo/Service.java

@@ -34,11 +34,6 @@ public class Service {
      */
     private String name;
 
-    /**
-     * service protect threshold trigger flag
-     */
-    private boolean triggerFlag = false;
-
     /**
      * protect threshold
      */
@@ -107,19 +102,10 @@ public class Service {
         this.metadata.put(key, value);
     }
 
-    public boolean isTriggerFlag() {
-        return triggerFlag;
-    }
-
-    public void setTriggerFlag(boolean triggerFlag) {
-        this.triggerFlag = triggerFlag;
-    }
-
     @Override
     public String toString() {
         return "Service{" +
             "name='" + name + '\'' +
-            "triggerFlag='" + triggerFlag + '\'' +
             ", protectThreshold=" + protectThreshold +
             ", appName='" + appName + '\'' +
             ", groupName='" + groupName + '\'' +

naming/src/main/java/com/alibaba/nacos/naming/controllers/CatalogController.java

@@ -285,7 +285,7 @@ public class CatalogController {
             serviceView.setClusterCount(service.getClusterMap().size());
             serviceView.setIpCount(service.allIPs().size());
             serviceView.setHealthyInstanceCount(service.healthyInstanceCount());
-            serviceView.setTriggerFlag(service.isTriggerFlag()?"True":"False");
+            serviceView.setTriggerFlag(service.triggerFlag()?"true":"false");
             serviceJsonArray.add(serviceView);
         }
 

naming/src/main/java/com/alibaba/nacos/naming/core/Service.java

@@ -172,8 +172,6 @@ public class Service extends com.alibaba.nacos.api.naming.pojo.Service implement
 
         updateIPs(value.getInstanceList(), KeyBuilder.matchEphemeralInstanceListKey(key));
 
-        updateTriggerFlag();
-
         recalculateChecksum();
     }
 
@@ -193,18 +191,16 @@ public class Service extends com.alibaba.nacos.api.naming.pojo.Service implement
         return healthyCount;
     }
 
-    public void updateTriggerFlag() {
+    public boolean triggerFlag() {
         if(0 == healthyInstanceCount()) {
-            setTriggerFlag(true);
-            return;
+            return true;
         }
         Float compareValue = 0.0F;
         if(Float.floatToIntBits(compareValue) == getProtectThreshold()) {
-            setTriggerFlag(false);
-            return;
+            return false;
         }
         boolean triggerFlag = (healthyInstanceCount() * 1.0 / allIPs().size()) <= getProtectThreshold();
-        setTriggerFlag(triggerFlag);
+        return triggerFlag;
     }
 
     public void updateIPs(Collection<Instance> instances, boolean ephemeral) {

naming/src/main/java/com/alibaba/nacos/naming/healthcheck/ClientBeatProcessor.java

@@ -88,6 +88,5 @@ public class ClientBeatProcessor implements Runnable {
                 }
             }
         }
-        service.updateTriggerFlag();
     }
 }