#31958: Django ORM sync_to_async error FATAL: remaining connection slots are
reserved for non-replication superuser connections
-------------------------------------+-------------------------------------
Reporter: super-sam | Owner: nobody
Type: Bug | Status: new
Component: Database | Version: 3.1
layer (models, ORM) |
Severity: Normal | Keywords: ORM Async
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
I am trying to implement Asynchronous
support(https://docs.djangoproject.com/en/3.1/topics/async/) for Django
ORM to write many records in Database(Postgres).
I am getting the ERROR:root:**FATAL: remaining connection slots are
reserved for non-replication superuser connections**
''I am creating coroutines add adding them to running the asyincio loop''
{{{
# Helper Class
class ModelsHelper:
@staticmethod
@sync_to_async
def __handle_resource_data(data):
// Some calculation to create kwargs dict
return Resource.objects.get_or_create(**kwargs)
async def store_data(metric):
// some calculation to get data
return await ModelsHelper.__handle_resource_data(data)
# Main File
def get_event_loop():
loop = None
try:
loop = asyncio.get_event_loop()
except Exception as e:
print(" New Event Loop ".center(50, '*'))
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
return loop
loop = get_event_loop()
future = asyncio.ensure_future(
asyncio.gather(*[ModelsHelper.store_data(metric) for metric in
metrics]),
loop=loop
)
loop.run_until_complete(future)
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/31958>
Django <https://code.djangoproject.com/>
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