Optimize Index time database query #8224
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saadmk11
commented
Jun 1, 2021
| @@ -168,5 +168,6 @@ def get_queryset(self): | |||
| queryset | |||
| .internal() | |||
| .exclude(ignore=True) | |||
| .select_related('version', 'project') | |||
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Suggested change
| .select_related('version', 'project') | |
| .select_related('version', 'project') | |
| .prefetch_related( | |
| Prefetch( | |
| 'sphinx_domains', | |
| queryset=SphinxDomain.objects.exclude( | |
| domain='std', | |
| type__in=['doc', 'label'] | |
| ) | |
| ) | |
| ) |
We can also add prefetch_related here as well but as we are passing queryset.iterator() to .update() method of PageDocument, .prefetch_related() will be ignored. This is the same case for ProjectDocument.users as well
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This change decreases the number of query made to the database for indexing document to elasticsearch by around 50%