this post was submitted on 11 Jul 2023
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[–] GoodPointSir@lemmy.ca 1 points 1 year ago (1 children)

Aside from personal websites and maybe some Lemmy instances, I can't think of a single application that's NOT using distributed computing. Hell, Lemmy as a concept is still distributed computing even if individual instances aren't necessarily.

[–] douglasg14b@beehaw.org 6 points 1 year ago* (last edited 1 year ago)

Lemmy is.... Not distributed computing.

If each instance is a separate application than must scale on it's own, then no distributed computing is occuring.

There is one database, and you can have the instance itself behind a load balancer.

Lemmy is not a distributed program, you can't scale it linearly by adding more nodes. It's severely limited by it's database access patterns, to a single DB, and is not capable of being distributed in it's current state. You can put more web servers behind a load balancer, but that's not really "distributed computing" that's just "distributing a workload", which has a lot of limitations that defeat it being truly distributed.

Actual distributed applications are incredibly difficult to create at scale, with many faux-distribited applications being made (Lemmy being n-tier im a per instance basis).

Think of Kafka. Kafka is an actual distributed application.