As part of validating Kiwi release, we upgraded a tenant from Juniper-hotfix-3 to Kiwi and the total time for the upgrade was 9.5hrs which is an unacceptable downtime to live libraries. On digging further into logs - this specific call took ~9 hrs
Attached are the complete mod-inventory-storage upgrade logs in case they are helpful.
Install endpoint timestamps for upgrade -
Upgrade timestamp from install endpoint:
Versions of mod-inventory-storage:
Volume of Inventory data for this tenant:
No. of instances: 10,765,224
No. of items: 12,765,791
No. of holdings_records: 11,789,778
8xlarge DB instance was used for the upgrade
Time to upgrade mod-inventory-storage from Juniper-Kiwi is ~9hrs for mod-inventory-storage
Total upgrade time for all modules should be less than 2 hours.