klion26 edited a comment on pull request #8751:
URL: https://github.com/apache/flink/pull/8751#issuecomment-814131133


   @StephanEwen sorry for the late reply.
   IIUC, maybe we still need this feature after FLIP-158 has been 
implemented(even if we cloud handle not to generate small sst files -- 64MB). 
-- before we always set the file threshold in this pr to 128(or 256MB) in 
production, the job which has a large checkpoint may not generate too much 
small sst files(sure, it will generate some small sst files also) -- the 
checkpoint interval will set to ~ 10 min.
   
   In the other word, seems FLIP-158 only touches keyed state, operator state 
may generate too much small files, this pr can be used both in keyed state and 
operator state.


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