#24743: Django 1.8.1 migrations are actually slower than 1.8?
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Reporter: pzrq | Owner: MarkusH
Type: Cleanup/optimization | Status: assigned
Component: Migrations | Version: 1.8
Severity: Normal | Resolution:
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 hugotacito):
Like petersanchez, I was upgrading a big project from 1.7.x to 1.8.2 .
MacBook Air here too. Our project has
1900 ForeignKeyFields, 300 ManyToManyFields, 750 Models and 42 modules.
It took me 93 minutes just to render model states for the first time.
'''Operations to perform:'''
'''Synchronize unmigrated apps:''' pagination, ckeditor, staticfiles,
rest_framework_swagger, django_extensions, django_tables2, djtools,
rest_framework, django_tables2_reports
'''Apply all migrations:''' projetos, ae, ponto, frota, enquete, edu,
financeiro, arquivo, patrimonio, estacionamento, authtoken, materiais,
convenios, contratos, comum, contenttypes, remanejamento, almoxarifado,
temp_ideias, rh, contracheques, protocolo, sessions, chaves, progressoes,
auth, eleicao, cnpq, rsc, centralservicos, ldap_backend,
processo_seletivo, admin, cpa, gestao, compras, orcamento, cursos, pdi,
ferias, planejamento, microsoft
'''Synchronizing apps without migrations:'''
...
'''Running migrations:'''
Rendering model states... DONE (5554.627s)
Applying ae.0006_auto_20150619_1253... OK (26.600s)
...
After that I ran a new migration and the rendering model states dropped to
11 seconds.
'''Operations to perform:'''
'''Synchronize unmigrated apps:''' pagination, ckeditor, staticfiles,
rest_framework_swagger, django_extensions, django_tables2, djtools,
rest_framework, django_tables2_reports
'''Apply all migrations:''' projetos, ae, ponto, frota, enquete, edu,
financeiro, arquivo, patrimonio, estacionamento, authtoken, materiais,
convenios, contratos, comum, contenttypes, remanejamento, almoxarifado,
temp_ideias, rh, contracheques, protocolo, sessions, chaves, progressoes,
auth, eleicao, cnpq, rsc, centralservicos, ldap_backend,
processo_seletivo, admin, cpa, gestao, compras, orcamento, cursos, pdi,
ferias, planejamento, microsoft
'''Synchronizing apps without migrations:'''
...
'''Running migrations:'''
Rendering model states... DONE (11.538s)
Applying edu.0028_historicoimportacao_alunos_afetados... OK (5.851s)
...
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Ticket URL: <https://code.djangoproject.com/ticket/24743#comment:12>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
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