litalkat commented on issue #95:
URL: 
https://github.com/apache/airflow-client-python/issues/95#issuecomment-1732325895

   @ferruzzi sure.
   the request is for specific airflow deployment. in general- the airflow 
deployment is running ~100K airflow tasks per day.
   the process already run at least 5000 times In the last 3 months.
   I already countered this "504 Service Exception" response when I made an API 
call for long-range date but  I saw that it can handle a 7000-9000 records in 
the response.
   in the last two days I get this 504 exception almost for any call (even for 
a range of 3 minutes -> ~100 tasks response)
   
   its important to mention that I am monitoring a lot of other airflow 
instances in the same time but I didn't say any thing about rate limit
   
   the exception is returning EXACTLY 1 min after the API call is sent
   the traceback looks like:
   (504)
   Reason: Gateway Timeout
   HTTP response headers: HTTPHeaderDict({'x-powered-by': 'Express', .....
   HTTP response body: Error accured while trying to proxy: <some private env 
name>/api/v1/dags/~/dagRuns/~/taskInstances/list
   
   
   
   
   the request is using the 
airflow_client.get_task_instances_batch(ListTaskInstancesForm(...),_check_return_type=False)


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