harrygav commented on PR #665:
URL: https://github.com/apache/wayang/pull/665#issuecomment-3887255887

   Hi @zkaoudi, nice to hear that the PR will be useful, I will follow up on 
this by the end of the week! 
   
   Thanks for your input, I think there are many things to be clarified for the 
sink operator, but I guess we will figure them out once we know more about the 
targeted use cases we want to cover. With the current implementation, you could 
do the ETL pipeline you mention through the Java or Spark platforms: e.g., 
Source(Java/Spark from DBMS1)->ETL(Java/Spark)->Sink(Java/Spark to DBMS2). Or 
where you thinking to write from DBMS1 into DBMS2 directly without any 
intermediate Java/Spark platform step? That would also be interesting for some 
use cases (improved perf) but becomes cumbersome to maintain in terms of 
interoperability.
   
   Let me know what you think!


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