feat: add batch inserter (#2755)

core/stores/mon/bulkinserter.go

@@ -25,8 +25,23 @@ type (
 	}
 )
 
-// NewBulkInserter returns a BulkInserter.
+// Deprecated. Use NewBatchInserter instead.
 func NewBulkInserter(coll *mongo.Collection, interval ...time.Duration) *BulkInserter {
+	return newBulkInserter(coll, interval...)
+}
+
+// NewBatchInserter returns a BulkInserter.
+func NewBatchInserter(coll Collection, interval ...time.Duration) (*BulkInserter, error) {
+	cloneColl, err := coll.Clone()
+	if err != nil {
+		return nil, err
+	}
+
+	return newBulkInserter(cloneColl, interval...), nil
+}
+
+// newBulkInserter returns a BulkInserter.
+func newBulkInserter(coll *mongo.Collection, interval ...time.Duration) *BulkInserter {
 	inserter := &dbInserter{
 		collection: coll,
 	}