zhiqiang-hhhh commented on code in PR #44690:
URL: https://github.com/apache/doris/pull/44690#discussion_r1926761284


##########
be/src/vec/exec/scan/scanner_context.cpp:
##########
@@ -277,19 +272,15 @@ void 
ScannerContext::push_back_scan_task(std::shared_ptr<ScanTask> scan_task) {
             }
         }
     }
-    std::lock_guard<std::mutex> l(_transfer_lock);
-    if (!scan_task->status_ok()) {
-        _process_status = scan_task->get_status();
-    }
-    if (_last_scale_up_time == 0) {
-        _last_scale_up_time = UnixMillis();
-    }
-    if (_tasks_queue.empty() && _last_fetch_time != 0) {
-        // there's no block in queue before current block, so the consumer is 
waiting
-        _total_wait_block_time += UnixMillis() - _last_fetch_time;
+
+    {
+        std::lock_guard<std::mutex> l(_transfer_lock);
+        if (!scan_task->status_ok()) {
+            _process_status = scan_task->get_status();
+        }
+        _tasks_queue.push_back(scan_task);

Review Comment:
   在 push_back_scan_task 之前会执行 _num_scheduled_scanners--
   
   > _num_scheduled_scanners-- 不需要了吗?
   
   



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