[ENG-9596] Server slowdown when adding many contributors#11420
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adlius merged 5 commits intoCenterForOpenScience:feature/pbs-26-2from Feb 11, 2026
Merged
[ENG-9596] Server slowdown when adding many contributors#11420adlius merged 5 commits intoCenterForOpenScience:feature/pbs-26-2from
adlius merged 5 commits intoCenterForOpenScience:feature/pbs-26-2from
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api/nodes/serializers.py
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| uid = item.get('_id') | ||
| user = user_map.get(uid) | ||
| email = item.get('user', {}).get('email', None) | ||
| full_name = item.get('full_name') or (user.fullname if user and not user.is_registered else None) | ||
| if not uid and not full_name: | ||
| raise exceptions.ValidationError(detail='A user ID or full name must be provided to add a contributor.') | ||
| child_payload.append({ | ||
| 'user_id': uid, | ||
| 'user': user, | ||
| 'email': email, | ||
| 'full_name': full_name, | ||
| 'send_email': send_email_default, | ||
| 'permissions': _perm(item), | ||
| 'bibliographic': item.get('bibliographic'), | ||
| 'index': item.get('_order') if '_order' in item else None, | ||
| }) | ||
| try: | ||
| child.add_contributors_registered_or_not(child_payload, auth=auth, save=True) | ||
| except ValidationError as e: | ||
| raise exceptions.ValidationError(detail=e.messages[0]) | ||
| except ValueError as e: | ||
| raise exceptions.NotFound(detail=e.args[0]) |
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this part repeats above, so let's create a separate method for parsing data
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| # Use DRF list_serializer_class if it exists, otherwise use default JSONAPIListSerializer | ||
| meta = getattr(cls, 'Meta', None) | ||
| list_cls = getattr(meta, 'list_serializer_class', None) | ||
| if list_cls: | ||
| return list_cls(*args, **kwargs) |
Contributor
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And would be nice to have a few tests to check data parsing inside of NodeContributorsBulkCreateListSerializer as it has a lot of logic
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We already have TestNodeContributorBulkCreate, my changes are not supposed to change any logic
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|
@antkryt Some merge conflicts. |
adlius
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Vlad0n20
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Feb 16, 2026
…enScience#11420) * add list_serializer_class for NodeContributorsCreateSerializer; minor optimization * add bulk add_contributor_registered_or_not method * Use DRY for NodeContributorsBulkCreateListSerializer * fix changes after notification refactor * add default email_preferences to NodeContributorsBulkCreateListSerializer
ihorsokhanexoft
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Feb 17, 2026
…enScience#11420) * add list_serializer_class for NodeContributorsCreateSerializer; minor optimization * add bulk add_contributor_registered_or_not method * Use DRY for NodeContributorsBulkCreateListSerializer * fix changes after notification refactor * add default email_preferences to NodeContributorsBulkCreateListSerializer
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Purpose
optimize batch create contributors
Changes
see ticket comment section
QA Notes
Documentation
Side Effects
Ticket
https://openscience.atlassian.net/browse/ENG-9596