I have tested MongoDB InMemory storage engine. Each document is about 50~100 bytes and there’s only 50000 document in the collection (Just one collection in mongodb instance). And there’s 3 indexes( PK, TTL index, and composite 2dsphere index). Made 4K connections and load generator ran 45K/secon…

Memory usage of InMemory Storage Engine

vadimtk August 26, 2016, 9:10am 2

There should not be places that allocates memory outside of tcmalloc.

How do you measure 18GB memory usage?

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