wangbo commented on code in PR #46640:
URL: https://github.com/apache/doris/pull/46640#discussion_r1908117164


##########
be/src/runtime/workload_group/workload_group_metrics.cpp:
##########
@@ -36,35 +43,23 @@ WorkloadGroupMetrics::WorkloadGroupMetrics(WorkloadGroup* 
wg) {
     _entity = DorisMetrics::instance()->metric_registry()->register_entity(
             "workload_group." + std::to_string(wg->id()), {{"workload_group", 
wg->name()}});
 
-    _cpu_time_metric = std::make_unique<doris::MetricPrototype>(
-            doris::MetricType::COUNTER, doris::MetricUnit::SECONDS, 
"workload_group_cpu_time_sec");
-    _cpu_time_counter = 
(IntCounter*)(_entity->register_metric<IntCounter>(_cpu_time_metric.get()));
-
-    _mem_used_bytes_metric = std::make_unique<doris::MetricPrototype>(
-            doris::MetricType::COUNTER, doris::MetricUnit::BYTES, 
"workload_group_mem_used_bytes");
-    _mem_used_bytes_counter =
-            
(IntCounter*)(_entity->register_metric<IntCounter>(_mem_used_bytes_metric.get()));
-
-    _local_scan_bytes_metric = std::make_unique<doris::MetricPrototype>(
-            doris::MetricType::COUNTER, doris::MetricUnit::BYTES,
-            "workload_group_local_scan_bytes");
-    _local_scan_bytes_counter =
-            
(IntCounter*)(_entity->register_metric<IntCounter>(_local_scan_bytes_metric.get()));
-
-    _remote_scan_bytes_metric = std::make_unique<doris::MetricPrototype>(
-            doris::MetricType::COUNTER, doris::MetricUnit::BYTES,
-            "workload_group_remote_scan_bytes");
-    _remote_scan_bytes_counter =
-            
(IntCounter*)(_entity->register_metric<IntCounter>(_remote_scan_bytes_metric.get()));
+    INT_COUNTER_METRIC_REGISTER(_entity, workload_group_cpu_time_sec);
+    INT_GAUGE_METRIC_REGISTER(_entity, workload_group_mem_used_bytes);
+    INT_COUNTER_METRIC_REGISTER(_entity, workload_group_remote_scan_bytes);
+    INT_COUNTER_METRIC_REGISTER(_entity, 
workload_group_total_local_scan_bytes);
 
     std::vector<DataDirInfo>& data_dir_list = 
io::BeConfDataDirReader::be_config_data_dir_list;
     for (const auto& data_dir : data_dir_list) {
-        std::unique_ptr<doris::MetricPrototype> metric = 
std::make_unique<doris::MetricPrototype>(
-                doris::MetricType::COUNTER, doris::MetricUnit::BYTES,
-                "workload_group_local_scan_bytes_" + data_dir.metric_name);
-        _local_scan_bytes_counter_map.insert(
-                {data_dir.path, 
(IntCounter*)(_entity->register_metric<IntCounter>(metric.get()))});
-        _local_scan_bytes_metric_map.insert({data_dir.path, 
std::move(metric)});
+        std::string data_dir_metric_name =
+                "workload_group_io_" + data_dir.metric_name + "." + 
std::to_string(wg->id());
+        std::shared_ptr<MetricEntity> io_entity =
+                DorisMetrics::instance()->metric_registry()->register_entity(
+                        data_dir_metric_name,
+                        {{"workload_group", wg->name()}, {"path", 
data_dir.metric_name}});

Review Comment:
   
维度肯定会重复啊,名字都一样,但是注册entity的data_dir_metric_name不会,因为data_dir_metric_name离包含了workload
 group的id的



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