#24554: Migrations taking up to an hour to run
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Reporter: ryanahall | Owner: ryanahall
Type: | Status: closed
Cleanup/optimization |
Component: Migrations | Version: master
Severity: Normal | Resolution: fixed
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Markus Holtermann <info@…>):
In [changeset:"0c7e2833d9b6f0bbd847d9b9b0eb368611425f7c" 0c7e283]:
{{{
#!CommitTicketReference repository=""
revision="0c7e2833d9b6f0bbd847d9b9b0eb368611425f7c"
[1.8.x] Fixed #24554 -- Sped up migrations by rendering initial apps when
they are first needed
Calling Migration.mutate_state() now also allows to do in_place
mutations in case an intermediate state is thrown away later.
Thanks Anssi Kääriäinen for the idea, Ryan Hall for parts of the patch,
and Claude Paroz and Tim Graham for the review
Backport of 57dc8dd3fa3c3adf133c522ecadb501d94bacd52 from master
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/24554#comment:10>
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