About Avoiding for Large Migrations of Getting Terminated
When iterating through all items in a migration, avoid Model.objects.all() without .iterator(). Django's default queryset caches all results in memory. Using .iterator(chunk_size=1000) streams rows without caching, which is critical for large tables.
Tips and Tricks Development Databases Django 6.x Django 5.2 Django 4.2 PostgreSQL MySQL Migrations
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