Hi all:
    In Spark Streaming, I want to count some metrics by day, but in method  
"mapWithState", there is no API for this. Of course, I can achieve this by 
adding some time information to the record. However, I still want to use the 
spark API implementation . So, is there any direct or indirect   API for this 
in spark? Or is there any better solution for this? 
  Thanks!
    



shicheng31...@gmail.com

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