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Comment by Keverw

I been learning MongoDB and I have a project in mind using it.

Did they test against a single MongoDB server or a cluster?

"MongoDB executes every query on every node because it relies on local indexes – every node contains just a piece of the index. As a result, query performance is limited to that of a single node. For example, if a single node can execute 7,500 queries per second, adding more nodes does not help – every node still has to execute the same 7,500 queries per second."

Well if you pick a good shard key it should be able to go to a single node. Not sure why they didn't mention that. I'd take this with a grain of salt, since they're a competitor. I'm curious if they setup indexes, etc in MongoDB. I'd read the full report but I don't want to input my phone number so I can most likely be called by salespeople.

parent Keverw 10 years ago

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