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raphlinus's profile
Raph Levien
Raph Levien
Raph Levien
@raphlinus

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Raph Levien

@raphlinus

Rust. Fonts. Graphics. Quaker. Independent. he/him

Berkeley, CA
levien.com
Joined May 2009

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    1. Marijn Haverbeke‏ @MarijnJH May 1
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      Friendship ended with operational transformation Now compressed CRDT is my best friend

      6 replies 0 retweets 57 likes
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    2. Marijn Haverbeke‏ @MarijnJH May 1
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      (No, it's not that simple. CRDTs are also terrible in their own way. After two weeks in the collaborative editing mines I'm losing touch with reality. Send help.)

      9 replies 0 retweets 35 likes
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    3. Raph Levien‏ @raphlinus May 1
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      Replying to @MarijnJH

      I can't send help, but I can send sympathy. I've spent considerable time in the same mines and have basically decided to rethink my life decisions around whether I even want to solve collaborative editing. Best of luck! (Also read some Martin Kleppmann)

      2 replies 0 retweets 6 likes
    4. Rik Arends‏ @rikarends May 1
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      Replying to @raphlinus @MarijnJH

      We are going for OT for makepad-collab, any big reasons why thats bad?

      3 replies 0 retweets 1 like
      Raph Levien‏ @raphlinus May 1
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      Replying to @rikarends @MarijnJH

      It's a tradeoff, not *bad* per se, but there are so many details to get right. OT also requires some source of truth for globally serializing events, is best done with a server.

      11:02 AM - 1 May 2020
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      • Rik Arends
      2 replies 0 retweets 1 like
        1. New conversation
        2. Eddy Bruel‏ @ejpbruel May 3
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          Replying to @raphlinus @rikarends @MarijnJH

          My impression was that OT could be a feasible solution, *provided* you have a central server that can impose a global event order.

          1 reply 0 retweets 0 likes
        3. Marijn Haverbeke‏ @MarijnJH May 3
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          Replying to @ejpbruel @raphlinus @rikarends

          There's good solutions for making the document converge like that, but I haven't found one that guarantees metadata pointing into the doc converges when operations are transposed differently on different clients

          1 reply 0 retweets 0 likes
        4. 8 more replies
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        2. Jim Hurd‏ @imoldfella May 1
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          Replying to @raphlinus @rikarends @MarijnJH

          I understood from your papers that tp2 did not require serialization; has your thinking evolved on this?

          1 reply 0 retweets 0 likes
        3. Raph Levien‏ @raphlinus May 1
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          Replying to @imoldfella @rikarends @MarijnJH

          Yeah, I mean non-TP2 OT here. That puts less stress on the representation of the document (it doesn't have to correspond to CRDT rules) but does require serialization. That's the fundamental tradeoff.

          0 replies 0 retweets 1 like
        4. End of conversation

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