# April 6, 2021
## Topics
* Distribution migration
* problem removing the primary key on the reverse migration
* https://github.com/pulp/pulp_file/pull/495
* Changing a primary key:
https://vivekanandxyz.wordpress.com/2019/02/25/changing-primary-key-in-django-postgresql-setup/
* Orphan cleanup
* https://pulp.plan.io/issues/7659
* Fixing this issue would mean not having to add global locks to new
tasking system
## Action Items
* [all] review orphan cleanup proposal - https://pulp.plan.io/issues/7659
* Be prepared to discuss
* [david] move old notes to another hackmd
David
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