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Why sha256 hash the user into to get a two character target directory? Wouldn't md5 be much faster and solve the same problem?
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Come on, "over 1.8 million users" is not an impressive number These kind of movements makes me think they're not serious about scaling up. Wouldn't surprise me if then end up as an also-ran
Maybe not impressive but none of the services of my customers had or has 1.8 million users. And yet they do well (my customers.)
Interesting... I like the strategy of having each user be 1:1 with a DB. What would be done for data that needs to be aggregated across users though? If I'm subscribed to another user and they post, how does my DB get updated with that new post? Or is this meant just for durable data and not feed data (like profile data, which users are followed / not followed / etc.) and all the interactive stuff happens separately?…
https://blueskyweb.xyz/blog/5-5-2023-federation-architecture
"Big-world" networking by Big Tech-to-be Bluesky with super-powers, I wonder? Is this BGS also going to be federated, or is that the big centralized beating heart of this platform managed exclusively by BS?
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Maybe not impressive but none of the services of my customers had or has 1.8 million users. And yet they do well (my customers.)
That. And none of the big social media platforms were big at the start either.
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Less active than Mastodon, I'd assume more active than Nostr. But the interesting thing for me isn't activity — it's the people on there. Of the cohort who had >100k followers on Twitter, I think more of them post regularly on Bluesky than post on Mastodon. Bluesky definitely has a more cohesive feel, especially because there's currently just one instance & mod team.
Mastodon, and the Fediverse in general, make user interaction decisions on purpose to limit many of the issues common to social media. Think about: mob culture, addiction, and the like. I wonder if BlueSky intends to follow on those. For example, hiding user actions counts (repeats, favourites, etc...) until the user acts on one. Things like these may be strange for those accustumed to Twitter, but personally, is wha…
To me, the ActivityPub network (Mastodon and friends) is relatively unique in the social media space in having no direct commercial pressures (the protocol is developed by W3C) and therefore being inoculated against the causes for these dark patterns.
I am curious, does the HN folks know if bluesky is more active than nostr or the mastodon network?
Why sha256 hash the user into to get a two character target directory? Wouldn't md5 be much faster and solve the same problem?
At their scale maybe they're worried about collisions? Or, like me, they're drowning in security tooling from corporate and don't want to have to carve out exceptions for md5 usage in each.
With their scheme, collisions are already guaranteed to happen if they have >256 users.