feat: impove prometheus memeory performance

Author: ZhengYa-0110

server/controller/prometheus/cache/OPTIMIZATION.md

@@ -122,10 +122,9 @@ func GetDebugCache(t controller.PrometheusCacheType) []byte {
 		temp := map[string]interface{}{
 			"name_to_id": make(map[string]interface{}),
 		}
-		tempCache.MetricName.nameToID.Range(func(key, value any) bool {
-			temp["name_to_id"].(map[string]interface{})[key.(string)] = value
-			return true
-		})
+		for k, v := range tempCache.MetricName.GetNameToID() {
+			temp["name_to_id"].(map[string]interface{})[k] = v
+		}
 		if len(temp["name_to_id"].(map[string]interface{})) > 0 {
 			content["metric_name"] = temp
 		}
@@ -134,10 +133,9 @@ func GetDebugCache(t controller.PrometheusCacheType) []byte {
 		temp := map[string]interface{}{
 			"name_to_id": make(map[string]interface{}),
 		}
-		tempCache.LabelName.nameToID.Range(func(key, value any) bool {
-			temp["name_to_id"].(map[string]interface{})[key.(string)] = value
-			return true
-		})
+		for k, v := range tempCache.LabelName.GetNameToID() {
+			temp["name_to_id"].(map[string]interface{})[k] = v
+		}
 		if len(temp["name_to_id"].(map[string]interface{})) > 0 {
 			content["label_name"] = temp
 		}
@@ -146,11 +144,9 @@ func GetDebugCache(t controller.PrometheusCacheType) []byte {
 		temp := map[string]interface{}{
 			"value_to_id": make(map[string]interface{}),
 		}
-		tempCache.LabelValue.GetValueToID().Range(func(key string, value int) bool {
-			temp["value_to_id"].(map[string]interface{})[key] = value
-			return true
-		})
-
+		for k, v := range tempCache.LabelValue.GetValueToID() {
+			temp["value_to_id"].(map[string]interface{})[k] = v
+		}
 		if len(temp["value_to_id"].(map[string]interface{})) > 0 {
 			content["label_value"] = temp
 		}
@@ -159,10 +155,9 @@ func GetDebugCache(t controller.PrometheusCacheType) []byte {
 		temp := map[string]interface{}{
 			"layout_key_to_index": make(map[string]interface{}),
 		}
-		tempCache.MetricAndAPPLabelLayout.layoutKeyToIndex.Range(func(key, value any) bool {
-			temp["layout_key_to_index"].(map[string]interface{})[marshal(key)] = value
-			return true
-		})
+		for k, v := range tempCache.MetricAndAPPLabelLayout.GetLayoutKeyToIndex() {
+			temp["layout_key_to_index"].(map[string]interface{})[marshal(k)] = v
+		}
 		if len(temp["layout_key_to_index"].(map[string]interface{})) > 0 {
 			content["metric_and_app_label_layout"] = temp
 		}
@@ -171,10 +166,9 @@ func GetDebugCache(t controller.PrometheusCacheType) []byte {
 		temp := map[string]interface{}{
 			"key_to_id": make(map[string]interface{}),
 		}
-		for iter := range tempCache.Label.keyToID.Iter() {
-			temp["key_to_id"].(map[string]interface{})[iter.Key.String()] = iter.Val
+		for k, v := range tempCache.Label.GetKeyToID() {
+			temp["key_to_id"].(map[string]interface{})[k.String()] = v
 		}
-
 		if len(temp["key_to_id"].(map[string]interface{})) > 0 {
 			content["label"] = temp
 		}