git-hulk commented on PR #1712:
URL: https://github.com/apache/kvrocks/pull/1712#issuecomment-1702266589

   > > Is it possible to lock the dst key only and use the read snapshot like 
SDIFFSTORE/SINTERSTORE?
   > 
   > @git-hulk can you describe this a bit more? (for example posting a pseudo 
code)
   
   Sure. For now, SDIFFSTORE is implemented in two steps:
   
   - The first step is to calculated the diff result without locking source keys
   - Then overwrite the dst key with locking the dst key


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