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				@@ -100,8 +100,8 @@ def timer_check(): 
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				 if __name__ == '__main__': 
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				     # timer_check() 
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				-    size = 5 
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				-    for i in range(0, 10, size): 
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				+    size = 1000 
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				+    for i in range(0, 500, size): 
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				         print(f"query_videos start i = {i} ...") 
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				         records = ODPSQueryUtil.query_videos(i, size) 
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				         if records is None or len(records) == 0: 
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