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Comment by VWWHFSfQ | Hacker News Reader

After suffering through the AWS SimpleDB disaster 10 years ago I will never use any of the cloud providers' hairbrained databases ever again. I'll use bog-standard Postgres or MySQL if they host it but nothing else.

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What if I told you there’s now CosmosDB for PostgreSQL.

https://devblogs.microsoft.com/cosmosdb/distributed-postgres...

Which is just managed PG Citus with the word Cosmos in the name it seems.

This was both shocking and not surprising at all, all at the same time.

It’s worth noting how cloud vendors have fallen back on tried and true databases such as Postgres (mind you, often replacing the guts of those databases with new implementations.. but still).

> It’s worth noting how cloud vendors have fallen back on tried and true databases such as Postgres (mind you, often replacing the guts of those databases with new implementations.. but still).

Have they? Amazon created Aurora from scratch, with compatibility layers for different database engines (MySQL, Postgres), and GCP did the same with Spanner, which i wouldn't call "fallen back".

Yes, that's true - those products are definitely more of trying to displace the open source tech by borrowing the interface. I still think it is a plain admission to the fact of the popularity of the original tech (e.g. MySQL and Postgres). For sure, credit due where it is due for implementing entirely new implementations - but it's such a common pattern to "borrow" the open source interfaces and reimplement the core engine.

That said, you didn't mention things like RDS or Google Cloud SQL, which are cloud-based versions of standard open source dbs.

Yes. CosmosDB is a brand first, product second. It launched purely as a rebadged DocumentDB.

I liked simpleDB. They kept on supporting it beyond my expectations even after lots of other options were available and it was long depreciated. Curious what the disaster was.

Which disaster was that?

I have not suffered a disaster, but I have suffered its use, I really don't see a value in them versus a classical RDMS.

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