Ask HN: Have you ever chosen Postgres over Mongo and regretted it?

Re:Ask HN: Have you ever chosen Postgres over Mongo and regr... by brightball on Tuesday July 10, 2018 @09:40AM (#17497944)

Sync is the primary use case for CouchDB (and PouchDB). It really deserves more attention for that IMO.

It's not ideal for a lot of other use cases, but where it fits it shines.

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Re:Ask HN: Have you ever chosen Postgres over Mongo and regr... by WA on Tuesday July 10, 2018 @09:47AM (#17498011)

I just wonder if there is a single reason why anyone would use MongoDB over CouchDB/PouchDB.

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Re:Ask HN: Have you ever chosen Postgres over Mongo and regr... by brightball on Tuesday July 10, 2018 @11:17AM (#17498824)

If you remember when Mongo first came out, it made a splash with a lot of write focused benchmarks. They were achieved by RAM buffering the writes and then persisting to the disk periodically.

Couch never led in benchmarks and always focused on consistency or both performance and data. That’s not as flashy with the “OMG Benchmarks!” crowd, in my experience at least.

Couch operates entirely over REST last time I checked as well, which makes it a bit clunky for a lot of use cases. Couchbase attempts to be the fast version of Couch and seems to do pretty well.

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