We are using Custom Objects for our app. As per the documentation, the display_id of a record should be unique and the creation of display_id will be taken care of by the product.
When we created records in custom objects, for all the records we received the same display_id.
For example, a process happens on our app and during the process, the app will create records in Custom Object. In a single process, more than 20 records will be created in less than a minute time.
Why does the display_id not being unique in this case? What we are doing wrong?