Bulk insert performance in MongoDB for large collections

Question

I\'m using the BulkWriteOperation (java driver) to store data in large chunks. At first it seems to be working fine, but when the collection grows in size, the inserts can t

Answer 1

You believe that the indexing does not require any document reorganisation and the way you described the index suggests that a right handed index is ok. So, indexing seems to be ruled out as an issue. You could of course - as suggested above - definitively rule this out by dropping the index and re running your bulk writes.

Aside from indexing, I would …

• Consider whether your disk can keep up with the volume of data you are persisting. More details on this in the Mongo docs
• Use profiling to understand what’s happening with your writes