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AustenAllred's profile
Austen Allred
Austen Allred
Austen Allred
Verified account
@AustenAllred

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Austen AllredVerified account

@AustenAllred

CEO @LambdaSchool (YC S17): A CS education that's free until you get a job. I have made remarks that I do not agree with.

San Francisco, CA
lambdaschool.com
Joined December 2010

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    Austen Allred‏Verified account @AustenAllred Nov 12

    Look, you can have a lot of arguments for why Twitter shouldn't have an edit button. But geez, the technological complexity of building an edit button should not be one of them.

    4:22 PM - 12 Nov 2018
    • 9 Retweets
    • 158 Likes
    • sdbratt Robby Grossman Peter Vaibhav Mule Tyler Minton saiem Tequehead Brandon Grych🦃 Ryan Tuck
    11 replies 9 retweets 158 likes
      1. New conversation
      2. Austen Allred‏Verified account @AustenAllred Nov 12

        Journalists are honestly making arguments about the "loss of data" as a result of overwriting tweets. Which makes sense if: a. all of Twitter's databases are architected by a first-year CS student. b. we're running out of rows

        5 replies 6 retweets 95 likes
        Show this thread
      3. Austen Allred‏Verified account @AustenAllred Nov 12

        I understand it can be complex, but Twitter is a $20 Billion company. They can do hard things.

        16 replies 3 retweets 65 likes
        Show this thread
      4. End of conversation
      1. New conversation
      2. Saku Panditharatne‏ @sknthla Nov 12
        Replying to @AustenAllred

        What is going on at that company Layers and layers of PHP

        4 replies 0 retweets 10 likes
      3. Payom Dousti‏ @PayomDousti Nov 12
        Replying to @sknthla @AustenAllred

        If twitter feeds are still redis lists, it means you have to seek the list of every user who would potentially see the tweet, and update in place. Imagine Trump editing a tweet... ~100m parallel O(n) seek and updates.

        1 reply 0 retweets 2 likes
      4. Harry Heymann‏ @harryh Nov 12
        Replying to @PayomDousti @sknthla @AustenAllred

        Pretty sure the lists were just lists of IDs not the actual data.

        1 reply 0 retweets 4 likes
      5. 1 more reply
      1. New conversation
      2. Max Rozen‏ @RozenMD Nov 12
        Replying to @AustenAllred

        Immutability.

        1 reply 0 retweets 4 likes
      3. Ernest Oppetit‏ @ErnOpp Nov 13
        Replying to @RozenMD @AustenAllred

        What about it?

        0 replies 0 retweets 1 like
      4. End of conversation
      1. Valor Recruiter‏ @ValorSearch Nov 13
        Replying to @AustenAllred

        Define "edit button". Big tech wants open borders, not because they are lovely people, but for ONE reason: to lower wages. Twitter could care less about SJW, but they are open arms to cheaper wages.

        0 replies 1 retweet 1 like
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      1. Raymond Etornam‏ @retornam Nov 12
        Replying to @AustenAllred

        Raymond Etornam Retweeted Marco Arment

        It should. Nothing is as easy or trivial as it seems from the outside. Seehttps://twitter.com/marcoarment/status/1062139590176358403?s=21 …

        Raymond Etornam added,

        Marco ArmentVerified account @marcoarment
        Twitter has a decade of infrastructure assuming immutable tweets. If they become editable, TONS of code needs to be rewritten (both server- and app-side — including all third-party apps), huge swaths of servers need to be reconfigured, and tons of bugs will result for a while.
        Show this thread
        0 replies 0 retweets 3 likes
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      1. Jordan Amos‏ @jAmos47 Nov 12
        Replying to @AustenAllred

        My guess: Assumptions were made on some core models to improve scalability during a time when they needed the extra throughput. Now no one owns or understands those core models that have ballooned in complexity. It would be a year long project that is hard to justify.

        0 replies 0 retweets 3 likes
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      1. New conversation
      2. nicholas russell‏ @BetterCity Nov 12
        Replying to @AustenAllred

        It breaks the threads. You make a point. I reply and say I agree. You edit and say you disagree. You’ve coopted my comment. Doesn’t work. @jack

        1 reply 0 retweets 2 likes
      3. 1 more reply
      1. Elijah Salberg‏ @ElijahSalberg Nov 12
        Replying to @AustenAllred

        Who’s making the argument that technological complexity is the reason there’s not an edit button?

        0 replies 0 retweets 1 like
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      1. Jason Crawford‏ @jasoncrawford Nov 12
        Replying to @AustenAllred

        But the technological complexity of doing cache invalidation throughout all their infra…

        0 replies 0 retweets 1 like
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      1. Dennis Beatty‏ @dnsbty Nov 12
        Replying to @AustenAllred

        I’m guessing the technical complexity is much higher than you imagine. It’s not hard to bake in a feature when you first create a system, but adding it in at this scale is a lot more difficult. I’m not saying it can’t be done, but the complexity might outweigh the benefit.

        0 replies 0 retweets 0 likes
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      1. Nick Campbell‏ @ncb000gt Nov 12
        Replying to @AustenAllred

        I don't think the issue is really the technological complexity. It's around the user experience of that person and of anyone reading the tweets/edits. But, you'd think after 12 years they'd have figured them out (technical or otherwise) or at least had the conversations...

        0 replies 0 retweets 0 likes
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