mongodb - Number of Imported Documents using mongoimport does not match documents in database -

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i using heroku mongolab add-on, , using mongoimport import documents.

when run command, mongoimport works , tells me imported 9479 documents, correct. however, when check database, there 5000 documents. (it seems switch between 4999 or 5000). tried operation multiple times same results.

why happening?


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