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

1. Do have any index in your collection? If yes, it has to take time to build index tree.
2. is data time-series? if yes, use updates more than inserts. Please read this blog. The blog suggests in-place updates more efficient than inserts (https://www.mongodb.com/blog/post/schema-design-for-time-series-data-in-mongodb)
3. do you have a capability to setup sharded collections? if yes, it would reduce time (tested it in 3 sharded servers with 15million ip geo entry records)