MongoDB.collectionExists() is slow (calls getCollectionNames())

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Jul 28, 2015, 9:58:28 AM7/28/15

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I wonder if it is possible to implement MongoDB.collectionExists() without calling MongoDB.getCollectionNames().

I found this to be a performance bottleneck when there are lots of collections.

The only workaround was to cache the list of collections in a Map, when possible.

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