improve performances to get CSV from genes endpoint

backend/metagenedb/api/catalog/views/gene.py

@@ -83,8 +83,8 @@ class GeneViewSet(BulkViewSet):
         return ','.join([str(item) for item in gene_items])
 
     def _build_csv_response(self):
-        queryset = self.get_queryset().select_related("taxonomy").prefetch_related("functions")
-        queryset = self.filter_queryset(queryset)
+        queryset = self.filter_queryset(self.get_queryset())
+        queryset = queryset.select_related("taxonomy").prefetch_related("functions")
         if self._check_too_many_genes(queryset):
             return self.too_many_genes_error_response
         with StringIO() as csv_file:
@@ -94,7 +94,7 @@ class GeneViewSet(BulkViewSet):
                 'kegg_id', 'eggnog_id',
             ])
             csv_file.write(f"{header}\n")
-            for gene in queryset.iterator():
+            for gene in queryset:
                 csv_file.write(f"{self._get_metadata_line(gene)}\n")
             # generate the file
             response = HttpResponse(csv_file.getvalue(), content_type='text/csv')

backend/metagenedb/settings/django.py

@@ -168,6 +168,7 @@ LOGGING = {
     'disable_existing_loggers': False,
     'handlers': {
         'console': {
+            'level': 'DEBUG',
             'class': 'logging.StreamHandler',
         },
     },
@@ -176,8 +177,8 @@ LOGGING = {
             'handlers': ['console'],
             'level': env.str('DJANGO_LOG_LEVEL', 'INFO'),
         },
-        'metagenedb': {
-            'level': env.str('DJANGO_LOG_LEVEL', 'INFO'),
-        },
+        'django.db.backends': {
+            'level': env.str('DB_LOG_LEVEL', 'INFO'),
+        }
     },
 }