Twitter Likes Count Design | Youtube Views Count Design | Near Realtime Counter System Design

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You ask many what-if questions, but answer none. You also don't justify any of your choices (such as creating the 3rd table instead of updating tweets table). This is not a quiz game; the video is not self-contained.

Thanks

This is super helpful. Thanks

one corner case that you have not taken up sir
what if a person again clicks on the like button to dislike the tweet
how will you remove the like?

regarding adding a field to. tweet table vs like count table, i would choose like count table, the reason is that it will reduce a lot writes/update the tweet, otherwise it could be a performance issue. I would like to hear what you think?

i would choose eventual consistency in this case, because the exact number is not that important to most users. eventual consistency will make scale of likes count easier

I want to thank you for your video , but i am a bit disappointed at the way you ended the video abruptly. You did not complete the video and close the question in discussion. It seems like you have a paid service somewhere you answer all these questions or are preparing that for future. Kindly share your thoughts.

Hey...I loved your videos, they are really helpful. Special thing is you ask a lot of questions during explanation and open my mind to think beyond one way of thinking. My question is - where do you discuss these questions which you ask in your videos? Many thanks... wishing you good health and wealth 😊

really liked your crisp explanation

Appreciate 👍for sharing. Approach with likes in separate service looks better for me.

excited!