Optimistic concurrency locking in REDIS database

  • Hi,
    Have NodeBB used "optimistic concurrency locking"?
    I think in NodeBB there is 'UPVOTE' concept,
    While upvoting there has to be 'Optimistic concurrency locking',
    So it can handle multiple database insert operation at a time while upvoting single post by multiple users.

    Please let me know where do I find the code for 'Optimistic Concurrency locking',
    and guide me how to handle multiple insert operation at a time in redis database.


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