During the 8.9 Hardening Sprint, a few DB Migration changes were performed (more details here)
We need to make sure that these changes have not broken the expected performance for the 7.9 to 8.9 Migration path in PostgreSQL.
The goal is to validate that performance did not decrease for a big dataset (800 GiB), and that it is still within 48 hours.
This dataset should be the same that was used for the 6.7 to 8.9 DB Migration tests.
- Migration 7.9->8.9 took 11.2h for a 800 GiB dataset.