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by mtrimpe 4569 days ago
Anecdotes don't make data but I dislike Mongodb but love Redis.

Mongodb seems like a solution that was optimized for a certain performance sweet spot that, post-SSD and huge RAM, hardly anybody ever really encounters and 99% of the times it's used you would be better off with Postgres.

Redis on the other hand hits a (probably permanent) sweet spot of ultra-high performance one level of abstraction lower than your usual database; which is a use case everyone trying to saturate metal and squeeze out the last bit of performance on a minimal budget has.