The test measured performance as a user created and deleted a Model repository. The test was repeated with encryption enabled and disabled.
The test resulted in the following findings:
Creating a Model repository was 47% slower with encryption enabled. However, since Model repository creation is a one-time operation, you can enable encryption without a performance penalty during run-time.
26% (~104 DTY) of available DTU is used during repository creation.
23% (~92 DTU) of available DTU is used during repository deletion.