Insert a no-op entry with
into the oplog buffer collection on the recipient shard. The <latest oplog timestamp from donor's cursor response> refers to the getLatestOplogTimestamp() value exposed in aggregation cursor command responses on oplog from
The no-op entry should be inserted using its own storage transactions and its Collection::insertDocument() call must be allowed to fail with a duplicate key error. This is because it is possible for the donor shard to not have generated any more oplog entries since the last getMore the recipient shard sent and therefore for the same getLatestOplogTimestamp() to be returned.