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Alex Rivera
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I built a MongoDB. I want to do aggregation by certain grouping. I found this document , which will do that for me. Everything is ok, but certain limitations are pointed out: Output from the pipeline can only contain 16 megabytes. If your result set exceeds this limit, the aggregate command produces an error. If any single aggregation operation consumes more than 10 percent of system RAM the operation will produce an error. The aggregation system currently stores $group operations in memory, which may cause problems when processing a larger number of groups. How many rows / documents can I process with MongoDB aggregation? I am afraid to use this. Can anyone guide me about this?
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