socket.accept() out of system resource

[BojingLiCCNU]

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Example Code

@app.post("/coagulantPrediction")
async def create_item(item: Item):
    starttime = time.strftime("%a %b %d %H:%M:%S %Y", time.localtime())
    print('starttime', starttime)
    rawjon = item.dict()
    all_pool_data = rawjon['dataInput']
    all_pool_result = []
    for i in range(0, len(all_pool_data)):
        one_pool_data = all_pool_data[i]
        one_pool_result = doPrediction(one_pool_data, MODEL_COA, MODEL_TUR)
        one_pool_result_dict = unparse_result(one_pool_result, one_pool_data)
        all_pool_result.append(one_pool_result_dict)
    rawjon.update({"dataOutput": all_pool_result})
    gc.collect()
    return rawjon

Description

I started post api and tested successed in postman. I write a timed program to call it.
But after 24 to 48 hours, the error happened

"
socket.accept() out of system resource
OSError: [Errno 24] Too many open files
"
I checked that all the IO stream is closed and I don't know how to fix it.
The solution on google tells me to modify the number of ulimit in linux system.
But this way just append the error from 48 hours to 72 hours.
Could you help me ,thank you .

Operating System

Linux

Operating System Details

LINUX

FastAPI Version

0.70.0

Python Version

3.8

Additional Context

empty

[Dustyposa]

Maybe you need check the file IO status again.
I can't get more info from you example code. : (

[kokman]

I also encountered the same problem, how to solve it?

2024-05-17 11:13:45,915 - ERROR - base_events - default_exception_handler - line:1758 - socket.accept() out of system resource
socket: <asyncio.TransportSocket fd=8, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=6, laddr=('0.0.0.0', 8100)>
Traceback (most recent call last):
File "asyncio/selector_events.py", line 159, in _accept_connection
File "socket.py", line 293, in accept
OSError: [Errno 24] Too many open files