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by anotherjesse 576 days ago
https://howfuckedismydatabase.com/nosql/ this infamous comic is about riak
1 comments

That could also very well be about CouchDB which implemented indexes/views as MapReduce functions.
Back in the day we had a CouchDB MapReduce view (on Cloudant) which took a full month to rebuild (while an angry customer was waiting). The I/O inefficiency was absolutely off the charts.