Problem Summary

When user creates a Confluence Database and imports data into it using CSV file, where CSV file contains ~30K records in it:

1. There is an extreme slowness during the File Import and Mapping the Field
2. UI Freezes when user clicks on Import button
3. There is no http call made when user clicks on import button

Workaround

Currently there is no workaround available, it will be shared once it is available.