Confluence sandbox provisioning/reset fails for very large user base or group memberships

Issue Summary

For customers with very large user base and/or group memberships (number of user-group associations), sandbox provisioning and reset fails due to crowd sync (internal Confluence-platform IDP sync) taking too long to process.

Steps to Reproduce

For a very large org (110K+ user base) or many group memberships (e.g. 1M+ group memberships)

1. Create a confluence sandbox
2. Sandbox creation will fail [need details]

Expected Results

Sandbox creation should succeed

Actual Results

[need help from support/eng to add details]

The below exception is thrown in the xxxxxxx.log file:

...

Workaround

For every sandbox creation/data reset, work with support eng who will follow our internal documentation for manual intervention.