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this post was submitted on 13 Mar 2024
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Building on this, I wonder if you could add a setting to customize your own algorithms. You could weight a variety of different metrics.
An alternative approach could involve utilizing an API endpoint that provides metadata for recent posts, allowing users to implement custom sorting logic on their client side using JavaScript. This API endpoint is currently accessible only to moderators and administrators
Why does sorting need to be in the db?
Wven still we can probably acheive a decent customisation partually customisable sorts
Say we only care about upvotes, downvotes, comments, timefactor
Say we break it down so u can set a custom weighting for each of these eg 0, .25, .5, .1 then make a sort for all combinations thats only 4^4 = 256 combinations its a lot but seems within the real of possibility we still avoid needing to custom sort for each user.
The number of sorting algorithms needs to be much more limited than that; otherwise, it puts too much load on the server calculating all those combinations. It's important to strike a balance between customization and system performance to ensure smooth operation and optimal user experience.
Its only increasing the sorting cost by a linear factor wont have an effect on the big O notation
Caching. As an example, an all feed and it's associated indexes gets cached in the DB's memory, allowing it to keep pace with thousands of users. And there are millions of posts on a server, sorting has to be done in the DB or the volume of meta in memory would be astounding.