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augustl | 1 year ago
I just got a dedicated server on Hetzner to test out some things. It's $70/month with 64gb RAM and a CPU that builds a complex C++ thingie in 11 minutes where my laptop spends about an hour :D
Scaling is of course not trivial, but the same set of backoffice apps I've worked with throughout the years that would be a good fit for Datomic, has a working set for the database much smaller than 64GB.
> they seem like niche features
That's the thing, though. Maybe it's because I've use Datomic a bunch. When I'm on projects that use a SQL db, a handful of problems are just fundamentally solved in Datomic, and none of the super knowledgeable devs that know SQL in and out are even aware that they are problems.
Some examples:
- What caused this column of this row to end up with this value?
- Oh no, we were down 3am but when the first person investigated it at 7am (oh those backoffice SLAs...) everything works fine and nobody knows that the db state was at 3am
- When we wrote value X, what other values did we also write at the same time?
- We need to carefully write a transaction that reads some data, writes some data, and reads some more data, and hopefully lock correctly, and hopefully we understood the isolation level (that we probably didn't set anyway) correctly and...
Which makes me think I must be the crazy one...
emmanueloga_|1 year ago
How about the append-only/size side of things? I'm guessing if you use Dynamo or Cassandra, you basically forget about it (except when it comes to the bill ...). Is trimming the data straightforward if you don't have that much storage?
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1: https://www.dolthub.com/blog/2022-03-21-immutable-database/#...